1 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3 * cppfiles.c: Read files in, using mmap if possible, then
4 prescan them separately.
5 (read_file, read_with_read): New functions.
6 * cpplex.c: Don't define UCHAR_MAX.
7 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
10 * cppinit.c (handle_option): Automatically define __cplusplus,
11 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
12 the respective -lang switch.
14 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
15 prototype): Move to...
16 * cpplib.h: ... here. Rename struct hashnode to struct
17 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
18 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
20 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
22 * config/rs6000/rs6000.md (movsi): Constify 'name'.
24 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
25 (class_can_change_size): New variable.
26 (reg_changes_size): New variable.
27 (init_reg_sets_1): Initialise class_can_change_size.
28 (record_operand_costs): Remove subreg_changes_size.
29 Don't pass it around. Instead update reg_changes_size.
30 (regclass): Initialise and free reg_changes_size. If a register
31 changes size, don't preference it to a class that contains
32 registers that can't change size.
33 (record_reg_classes): Don't look at subreg_changes_size.
35 2000-05-27 Richard Henderson <rth@cygnus.com>
37 * print-rtl.c (reg_names): Remove const.
38 * regclass.c (reg_names): Likewise.
39 * regs.h (reg_names): Likewise.
40 * hard-reg-set.h (reg_names): Likewise.
42 2000-05-27 Richard Henderson <rth@cygnus.com>
44 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
46 2000-05-27 Richard Henderson <rth@cygnus.com>
48 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
49 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
50 (alpha_expand_prologue): Emit prologue_mcount if needed.
51 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
52 * config/alpha/alpha.md (prologue_mcount): New.
53 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
54 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
55 * config/alpha/netbsd.h: Likewise.
57 2000-05-27 Richard Henderson <rth@cygnus.com>
59 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
60 change to config/elfos.h.
62 2000-05-27 Richard Henderson <rth@cygnus.com>
64 * Makefile.in (resource.o): Depend on except.h.
65 * except.h (output_exception_table_data): Prototype.
66 * genconfig.c (gen_peephole2): Prototype.
67 * genemit.c (main): Include ggc.h.
68 * genoutput.c: Revert parts of last change: include errors.h
70 * recog.c: Include hard-reg-set.h before recog.h.
71 * resource.c: Include except.h.
73 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
75 (alpha_write_linkage): Protect with BUFSIZ.
76 (alpha_need_linkage): Update prototype.
77 * config/alpha/alpha.c (function_arg): Move VMS code here.
78 (alpha_links_base): Remove.
80 (mark_alpha_links_node, mark_alpha_links): New.
81 (alpha_write_one_linkage): New.
82 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
83 (alpha_write_linkage): Use splay_tree_foreach.
84 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
85 to get the linkage symbol.
86 (call_value_vms): Likewise.
87 * config/alpha/elf.h (output_file_directive): Remove decl.
88 (ctors_section, dtors_section): Prototype.
89 (sbss_section, sdata_section): Prototype.
90 * config/alpha/vms.h (FUNCTION_ARG): Remove.
91 (readonly_section, link_section, literals_section): Prototype.
92 (ctors_section, dtors_section): Prototype.
93 (vms_valid_decl_attribute_p): Remove decl.
94 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
96 2000-05-27 Geoff Keating <geoffk@cygnus.com>
98 * reload.c (get_secondary_mem): Don't widen floating-point modes.
100 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
101 substituting the REG in a (subreg:X (reg:Y ...)).
103 2000-05-28 Neil Booth <NeilB@earthling.net>
105 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
106 first token of a line BOL. Update EOF code for this.
107 Remove illegal directive check - it appears in the (not
108 yet committed) caller.
109 * cpplib.h (BOL): New flag.
111 2000-05-28 Neil Booth <NeilB@earthling.net>
113 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
114 (_cpp_free_toklist): No comment space to free.
115 (expand_comment_space): Remove.
116 (save_comment_space): Place the comment in the current token and
117 not in a separate comment space.
118 (_cpp_lex_line): Save comments during plain code and #define
120 * cpplib.h (struct _cpp_toklist): Remove comment space.
122 2000-05-28 Neil Booth <NeilB@earthling.net>
124 * cppexp.c (parse_assertion): Supply extra argument to
126 * cpplib.c (do_assert, do_unassert): Similarly.
127 * cpphash.h (_cpp_init_toklist) Update.
128 (_cpp_expand_token_space): New.
129 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
130 * cpplex.c (_cpp_init_toklist): New argument.
131 (parse_string2): New argument multiline_ok.
132 (spell_token): Take a const cpp_token *.
133 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
134 (SPELL_ macros): Replace with enum.
135 (expand_token_space): Replace with _cpp_expand_token_space.
137 (IS_DIRECTIVE): Update.
138 (_cpp_lex_line): Update token structure before parsing number.
139 Don't assume start at beginning of token list.
140 (save_comment): Use INIT_TOKEN_NAME.
142 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
144 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
145 -Wmissing-prototypes.
146 * configure: Regenerate.
147 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
149 * builtins.c, calls.c: Change all instances of gen_call_* or
150 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
151 * calls.c (struct_value_size_rtx): Separate definition from
152 initialization to avoid unused variable warning.
154 * genflags.c (gen_macro): New function.
155 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
156 (gen_nonproto): Delete.
157 (gen_insn): Put all insns on the same obstack.
158 (main): Generate prototypes for everything unconditionally.
160 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
161 out check for wchar_t.
162 * acconfig.h: Add template for ssize_t. Remove @TOP@.
163 * system.h: Add infrastructure for defining missing
164 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
165 definitions of UCHAR_MAX and SSIZE_MAX.
166 * configure: Regenerate.
167 * config.in: Regenerate.
169 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
170 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
172 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
173 libgcc2.a, or libgcc1.null.
175 2000-05-27 Richard Henderson <rth@cygnus.com>
177 * Makefile.in (recog.o): Don't depend on resource.h.
178 * recog.c: Don't include resource.h.
179 (recog_last_allowed_insn): Remove.
180 (recog_next_insn): Remove.
181 (struct peep2_insn_data): New.
182 (peep2_insn_data, peep2_current): New.
183 (peep2_next_insn): New.
184 (peep2_regno_dead_p, peep2_reg_dead_p): New.
185 (peep2_find_free_register): New.
186 (peephole2_optimize): Track life information by insn as we go.
187 * recog.h: Update declarations.
188 * resource.c (find_free_register, reg_dead_p): Remove.
189 * resource.h: Remove their declarations.
190 * toplev.c: Include hard-reg-set.h before recog.h.
192 * genconfig.c (max_insns_per_peep2): New.
193 (gen_peephole2): New.
195 * genemit.c (output_peephole2_scratches): Generate calls to
196 peep2_find_free_register; adjust surrounding code.
197 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
198 * genrecog.c (change_state): Don't track last_insn.
199 (write_action): Write into *_pmatch_len before accepting.
200 (write_tree): Adjust peephole2_insns and subroutines to match.
202 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
204 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
205 (hard_int_register_operand): New.
206 * config/alpha/alpha-protos.h: Declare it.
207 * config/alpha/alpha.h (PREDICATE_CODES): Update.
208 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
209 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
211 2000-05-27 Richard Henderson <rth@cygnus.com>
213 * function.c (thread_prologue_epilogue_insns): Don't move the
214 line note at the head of the chain. Only force a lineno note
215 before the end of block 0.
217 2000-05-27 Richard Henderson <rth@cygnus.com>
219 * gensupport.c (collect_insn_data): Record the maximum number
220 of alternatives, not the last seen.
222 * genoutput.c: Don't include errors.h.
223 (struct data): Add lineno member.
225 (scan_operands): Use message_with_line instead of error.
226 (validate_insn_alternatives): Likewise.
227 (gen_insn): Accept and store the pattern's line number.
228 (gen_peephole, gen_expand, gen_split): Likewise.
229 (main): Don't set progname. Pass line_no to gen_foo.
231 2000-05-27 Richard Henderson <rth@cygnus.com>
233 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
234 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
235 * config/d30v/d30v.md (attr predicable): New.
236 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
237 (andsi3*): Unify into one pattern.
238 (iorsi3*, xorsi3*): Likewise.
239 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
241 (old cond_exec patterns): Remove.
242 (define_cond_exec): New.
244 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
246 * tree.h (TREE_CODE_LENGTH): New macro.
247 * c-common.c (c_find_base_decl): Use it.
248 * expr.c (safe_from_p): Likewise.
249 * print-tree.c (print_node): Likewise.
250 * tree.c (make_node, copy_node, get_identifier): Likewie.
251 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
252 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
253 * fold-const.c (make_range): Likewise.
254 (fold): Likewise; also use first_rtl_op.
255 * c-iterate.c (collect_iterators): Use first_rtl_op.
256 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
257 Use IS_EXPR_CODE_CLASS.
258 (preexpand_calls): Likewise.
259 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
260 and TREE_CODE_LENGTH.
261 * stmt.c (warn_if_unused_value): If no operands, no unused value.
263 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
265 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
267 (movdi_internal64): Likewise.
269 * config/rs6000/rs6000.md: Correct order of operands for DImode
272 * config/rs6000/rs6000.c (boolean_or_operator): New function.
273 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
274 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
275 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
276 boolean_operator for the boolean patterns without NOTs.
278 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
279 from reg_or_u_cint_operand. Change comment and behaviour.
280 (logical_operand): Clean up, add assertion.
281 (non_logical_cint_operand): Also check for
282 reg_or_logical_cint_operand.
283 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
284 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
290 2000-05-26 Mark Mitchell <mark@codesourcery.com>
292 * tree.h (struct record_layout_info): Rename to (struct
293 record_layout_info_s).
294 * stor-layout.c (start_record_layout): Replace
295 `record_layout_info' with `record_layout_info_s'.
297 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
299 * flow.c (find_label_refs): New function.
300 (find_basic_blocks_1): Call it for each alternative of a call
303 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
305 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
308 2000-05-25 Richard Henderson <rth@cygnus.com>
310 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
311 so strict about DImode.
312 (alpha_swapped_comparison_operator): Likewise.
313 * config/alpha/alpha.md (*setne_internal): Name it. Allow
314 any integer output mode.
315 (*setcc_internal): Likewise.
316 (*setcc_swapped_internal): Likewise.
317 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
318 (*mov[qhs]icc_internal): New.
319 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
321 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
323 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
325 2000-05-25 Richard Henderson <rth@cygnus.com>
327 * bb-reorder.c (reorder_block_def): Reorder elements for size.
328 Remove add_jump; add next; replace flags with visited.
330 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
331 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
332 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
333 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
335 (reorder_index, reorder_last_visited): Remove.
336 (skip_insns_after_block): Rewrite to use a switch.
337 (get_common_dest): Remove.
338 (chain_reorder_blocks): Remove.
339 (record_effective_endpoints): Split out from reorder_basic_blocks.
340 (make_reorder_chain): Likewise. Loop until all blocks are placed.
341 (make_reorder_chain_1): Renamed from old make_reorder_chain.
342 Only construct the reorder chain, do not move insns. Try harder
344 (label_for_bb, emit_jump_to_block_after): New.
345 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
346 and adjust the jump insns appropriately. Fixup basic_block_info.
347 (verify_insn_chain): Always define.
348 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
350 (make_new_scope): Don't write zeros to calloc'd space.
351 (build_scope_forest): Rely on xrealloc to DTRT.
352 (reorder_basic_blocks): Don't build loop nest. Don't fail if
353 profile_arc_flag. Streamline EH test.
355 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
356 * basic-block.h: Declare them.
358 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
360 * emit-rtl.c (reset_used_decls): New function.
361 (unshare_all_rtl_again): Call it.
363 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
365 * cpplex.c (maybe_macroexpand): Warn about function-like
366 macros used in non-function context, if -Wtraditional.
368 2000-05-25 Mark Mitchell <mark@codesourcery.com>
370 * recog.c (peephole2_optimize): Use INSN_P.
372 2000-05-25 Richard Henderson <rth@cygnus.com>
374 * ifcvt.c (seq_contains_jump): New.
375 (noce_try_store_flag_constants): Use it to fail conversion.
376 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
378 2000-05-25 Mark Mitchell <mark@codesourcery.com>
380 * except.h (can_throw): Declare it.
381 * except.c (can_throw): Give it external linkage.
382 * resource.c (find_dead_or_set_registers): Use can_throw.
384 2000-05-25 Richard Henderson <rth@cygnus.com>
386 * flow.c (mark_set_1): Don't record conditionally dead memory.
388 2000-05-25 Jan Hubicka <jh@suse.cz>
390 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
391 and pc_set at the place of simplejump_p and condjump_p.
392 * cse.c (record_jump_equiv): Likewise.
393 * emit-rtl.c (emit): Likewise.
394 * explow.c (find_next_ref): Likewise.
395 * flow.c (tidy_fallthru_edge): Likewise.
396 (init_propagate_block_info): Likewise.
397 * gcse.c (delete_null_pointer_checks): Likewise.
398 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
399 dead_or_predicable): Likewise.
400 * integrate.c (copy_insn_list): Likewise.
401 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
402 for_each_insn_in_loop, check_dbra_loop, get_condition,
403 insert_bct, load_mems): Likewise.
404 * resource.c (find_dead_or_set_registers): Likewise.
405 * sibcalls.c (simplejump_p): Likewise.
406 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
408 2000-05-25 David Edelsohn <edelsohn@gnu.org>
410 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
411 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
413 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
414 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
415 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
416 * rs6000.md: Name various internal patterns.
418 2000-05-25 Jan Hubicka <jh@suse.cz>
420 * jump.c (invert_exp_1): Remove first argument, use pc_set
421 to get the expression.
422 (redirect_exp): Make static; redirect only the pc_set expression,
423 remove first argument.
424 (invert_exp): Remove first argument, make static.
425 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
426 any_onlyjump at most places where we originaly did condjump_p
428 (jump_back_p, follow_jumps, thread_jumps): Likewise.
429 (delete_barrier_succesors): Use pc_set.
430 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
431 calls of invert_exp and redirect_exp.
432 * rtl.h (redirect_exp, invert_exp): Remove.
433 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
435 2000-05-25 Richard Henderson <rth@cygnus.com>
437 * stmt.c (expand_end_bindings): Fix thinko last change.
439 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
440 Andrew Haley <aph@cygnus.com>
442 * except.c (func_eh_entry): Add emitted field.
443 (new_eh_region_entry): Set emitted field to 0;
444 (output_exception_table_entry): Only emit previously un-emitted data,
445 and send it to the eh_data section.
446 (output_exception_table): Break out common parts. Output
447 exception table for entire compilation unit to eh_data section.
448 (output_exception_table_data): Common parts of output_exception_table.
449 Send output to eh_data section.
450 (output_function_exception_table): Output exception table data for
451 a single function to eh_data section.
452 (free_exception_table): New external to free the table.
453 * except.h (free_exception_table): Add prototype.
454 (output_function_exception_table): Add prototype.
455 * final.c (final_end_function): Output function exception table
456 for IA64_UNWIND_INFO.
457 (final_scan_insn): Emit any unwind directives for an insn.
459 * frame-dwarf2.c: New file containing all DWARF 2 specific code
461 * frame.c: Remove all DWARF 2 specific code.
462 * config/ia64/frame-ia64.c: New file.
463 (gthread_stuff): Make all gthread available with
465 (dwarf_fde): Define an IA64 struct for dwarf_fde.
466 (__register_frame_info, __register_frame): Move to common area of file.
467 (__register_frame_info_table, __register_frame_table): Move to common i
469 (__deregister_frame_info, __deregister_frame): Move to common area.
470 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
471 (read_uleb128): New version for ia64.
472 (get_unwind_record): Read the next IA-64 unwind record.
473 (read_R_record): Read a region header record.
474 (process_a_b_reg_code): X record helper.
475 (read_X_record): Read an X format record.
476 (read_B_record): Read a B format record.
477 (P3_record_types): List of record types matching the P3 format.
478 (P7_record_types): List of record types matching the P7 format.
479 (P8_record_types): List of record types matching the P8 format.
480 (read_P_record): Read a P format record.
481 (init_ia64_reg_loc): Set default fields for a register.
482 (init_ia64_unwind_frame): Set defaults for all register records.
483 (execute_one_ia64_descriptor): Execute one descriptor record.
484 (rse_address_add): Calculate the position of a local reg in memory.
485 (normalize_reg_loc): Turn a location descriptor into a memory address.
486 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
487 within a specified PC offset range.
488 (get_real_reg_value): Given a register location, retrieve its value.
489 (set_real_reg_value): Change the value of a register location.
490 (copy_reg_value): Copy reg values, if needed.
491 (copy_saved_reg_state): Copy all registers that need to be copied.
492 (process_state_between): Normalize all frame register records that
493 fall within the specified PC range.
494 (frame_translate): Take a processed frame description, and turn
495 everything into addresses.
496 (build_ia64_frame_state ): Find and create frame state record for a PC.
497 (get_personality): Get the personality routine for a given frame.
498 (get_except_table): Get the exception table for a given frame.
499 (record_name): Unwind record names for debugging.
500 (print_record): Print and unwind record.
501 (print_all_records): Print an entire unwind image.
502 (__ia64_backtrace): Print a backtrace.
503 (ia64_backtrace_helper): New function.
504 (__register_frame_info_aux): New function.
505 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
507 * frame.h (enum unw_record_type): New unwind record types.
508 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
509 (struct unw_r_record, unwind_record): New unwind record structs.
510 (struct unwind_info_ptr): Unwind information layout.
511 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
513 (struct ia64_reg_loc): Register location description.
514 (struct ia64_frame_state): Location of all registers in a frame.
515 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
516 * libgcc2.c (__ia64_personality_v1): Personality routine.
517 (__calc_caller_bsp): Calculate the bsp register for the caller's
519 (ia64_throw_helper): Figure out who to return to and set up the
521 (__throw): Throw routine.
523 * output.h (assemble_eh_align, assemble_eh_label): New functions
524 to generate EH info where we want it.
525 (assemble_eh_integer): New function.
526 * toplev.c (compile_file): Output module level exception table for
528 (main): Set exceptions_via_longjump and flag_new_exceptions based
529 on IA64_UNWIND_INFO too.
531 * varasm.c (assemble_eh_label): Generate a label via
532 ASM_OUTPUT_EH_LABEL if it has been specified.
533 (assemble_eh_align): Generate an alignment directive via
534 ASM_OUTPUT_EH_ALIGN if it has been specified.
535 (assemble_eh_label): Generate an integer value via
536 ASM_OUTPUT_EH_type if they have been specified.
537 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
538 (ia64_init_builtins): Add __builtin_ia64_bsp
539 and __builtin_ia64_flushrs.
540 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
541 IA64_BUILTIN_FLUSHRS.
542 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
543 IA64_BUILTIN_FLUSHRS.
545 * config/ia64/ia64.md (flushrs): New insn to flush the register
546 stack. Add to unspec list.
548 * config/ia64/crtbegin.asm (frame_object): Change size.
549 (__do_frame_setup_aux): New function.
550 * config/ia64/crtend.asm: call __do_frame_setup_aux.
551 * config/ia64/t-ia64 (LIB2ADDEH): Add.
552 * Makefile.in (LIB2ADDEH): Add.
553 (LIB2ADD): Use LIB2ADDEH.
555 2000-05-24 Richard Henderson <rth@cygnus.com>
557 * recog.c (offsettable_address_p): If mode size is zero, assume
560 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
562 * configure.in: Check for -Wno-long-long option support and improve
563 handling of warning CFLAGS for stages 1 and 2.
564 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
565 * configure: Regenerate.
567 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
569 * gcc.texi: Remove contributor list. Instead include contrib.texi.
570 * contrib.texi: New file.
572 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
574 * loop.c (basic_induction_var): Avoid double recording of an increment.
576 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
578 * Back out this patch:
579 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
580 * loop.h (struct induction): Add multi_insn_incr.
581 * loop.c (basic_induction_var): New multi_insn_incr argument.
582 Set it if we search back through previous insns for the biv.
583 (record_biv): New multi_insn_incr argument; fill in struct induction.
584 (strength_reduce): Discard an iv with multiple bivs, any of
585 which require multiple insns to increment.
587 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
589 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
591 * rtl.h (loc_mentioned_in_p): Declare.
592 * reload.c (loc_mentioned_in_p): Moved from here...
593 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
594 Fix loop increment for 'E' handling.
595 * loop.c (strength_reduce): When doing biv->giv conversion,
596 take multi-insn biv increments into account.
598 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
600 * stmt.c (expand_end_bindings): Look through NOTEs to find a
603 2000-05-24 Mark Mitchell <mark@codesourcery.com>
605 * calls.c (expand_call): Handle cleanups in tail-recursion
606 arguments analagously to cleanups in sibling calls.
608 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
613 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
615 * expr.c (expand_assignment, store_expr, expand_expr,
616 expand_expr_unaligned): Set in_check_memory_usage while emitting
617 chkr_check_addr libcall.
619 2000-05-24 Nick Clifton <nickc@cygnus.com>
621 * fold-const.c (extract_muldiv): When constructing a
622 multiplier/divisor, do not expect const_binop to correctly
623 determine if overflow has occured, so check explicitly.
625 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
627 * c-decl.c (build_enumerator): Don't modify the value's type,
630 2000-05-24 Andreas Jaeger <aj@suse.de>
632 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
634 2000-05-24 Eric Christopher <echristo@cygnus.com>
636 * configure.in: Redefine inhibit_libc conditions.
637 * libgcc2.c: Remove inhibit_libc conditional define.
638 * configure: Regenerate.
640 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
642 * configure.in: For --enable-languages=LIST, check for empty LIST.
643 * configure: Regenerate.
645 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
647 * pdp11.h (STACK_BOUNDARY): Define.
649 2000-05-24 Jakub Jelinek <jakub@redhat.com>
651 * ifcvt.c (if_convert): Update life info globally.
653 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
655 * emit-rtl.c (unshare_all_decls): New function.
656 (unshare_all_rtl): Call it.
658 2000-05-23 Nick Clifton <nickc@cygnus.com>
660 * configure.in: Treat 'strongarm' as if it were 'arm' when
661 determining cpu type.
663 * configure: Regenerate.
665 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
666 where constant strings are involved.
668 * config/arm/arm.h (arm_condition_codes): Change type to 'const
671 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
672 cases where constant strings are involved.
674 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
676 * config/sh/sh.c (gen_far_branch, split_branches): Update
677 to reflect new prototypes for redirect_jump and invert_jump.
678 (sh_insn_length_adjustment): Get rid of const warnings.
680 2000-05-23 Kazu Hirata <kazu@hxi.com>
682 * invoke.texi (Options for Debugging Your Program or GCC): Update
683 the names of dump files.
685 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
687 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
688 * configure: Regenerated.
690 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
692 * simplify-rtx.c (SIGN_EXTEND): New macro.
693 (simplify_unary_operation, simplify_binary_operation,
694 simplify_relational_operation): Use SIGN_EXTEND. Make low
695 halves of (low, high) pairs unsigned if they weren't already.
696 (simplify_ternary_operation): Cast INTVAL to unsigned before
697 comparing to a MODE_BITSIZE.
699 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
702 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
704 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
705 gcc_AC_NEED_DECLARATIONS.
707 * dwarfout.c: Don't prototype time().
709 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
711 * system.h: Likewise.
713 * toplev.c: Likewise.
715 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
717 * c-decl.c (pushdecl): Invert sense of test for non-global types.
719 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
721 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
723 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
725 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
727 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
729 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
730 (alpha_start_function): Never write ..ng label if VMS or NT.
731 (alpha_align_insns): Remove GP_IN_USE arg.
732 Alignment now unsigned.
733 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
734 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
735 and two define_insn's.
737 2000-05-22 Richard Henderson <rth@cygnus.com>
739 * combine.c (simplify_comparison): Use trunc_int_for_mode.
741 2000-05-22 Richard Henderson <rth@cygnus.com>
743 * stor-layout.c (place_field): Change rli->size to rli->offset.
745 2000-05-22 Richard Henderson <rth@cygnus.com>
747 * function.c (thread_prologue_and_epilogue_insns): Make sure
748 existing line number notes appear after the prologue.
750 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
752 * config/alpha/alpha.c (alpha_fnname): New static variable.
753 (print_operand, case '~'): New case.
754 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
755 (alpha_start_function): Set alpha_fnname.
756 Write "ng" label if no ldgp; don't write ldgp insn.
757 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
758 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
760 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
762 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
765 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
767 * varasm.c (eh_frame_section): Revert change to argument list.
769 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
771 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
772 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
774 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
775 dangling "else" that causes "break" to be conditional.
776 Also remove unneeded code at start.
778 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
780 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
781 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
782 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
784 2000-05-22 Jakub Jelinek <jakub@redhat.com>
786 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
789 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
791 * alias.c (record_component_aliases): New function.
792 * tree.h: Clean up some declarations and comments.
793 (record_component_aliases): New declaration.
794 * tree.c (get_alias_set): If type and has alias set, use it.
796 2000-05-22 Richard Henderson <rth@cygnus.com>
798 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
799 IF_THEN_ELSE to a setcc form.
800 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
802 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
804 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
805 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
807 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
809 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
812 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
814 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
815 * config/mn10300/mn10300.c (print_operand): Likewise.
817 * final.c (split_double): Right shift of negative values is not
820 * ifcvt.c (if_convert): Scan and kill dead code.
822 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
824 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
826 * diagnostic.c: Eliminate implicit int.
827 * except.c, gcc.c: Add static prototypes.
828 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
829 * gensupport.c (process_rtx): Use XVEC to initialize vector
832 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
833 debug_reg_names instead of static reg_names. If not, define
835 * regclass.c: Don't define global reg_names unless
836 DEBUG_REGISTER_NAMES is defined.
838 * reload1.c (order_regs_for_reload): Remove unused variable.
839 * varasm.c: Include output.h after defaults.h. Define
840 eh_frame_section as function of no args, not of unspecified args.
842 * gcc.c: Constify argbuf; arguments to store_arg,
843 process_command, main; elements of struct command and struct
844 switchstr; local variables in execute, process_command, main.
846 2000-05-20 Bruce Korb <bkorb@gnu.org>
848 * fixinc/inclhack.def: many applications of c_fix=format + tests
849 * fixinc/check.diff: regenerated
850 * fixinc/fixincl.x: regenerated
852 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
854 * alias.c: Clarify some comments.
855 (record_base_value): REGNO is unsigned.
856 * rtl.h (record_base_value): Likewise.
858 * alias.c (aliases_everything_p): Don't special-case QImode here.
859 * c-common.c (c_get_alias_set): Do it here.
860 Handle BIT_FIELD_REF by getting alias info for arg.
863 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
865 * mklibgcc.in: Restore rule to create ${dir}.
867 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
869 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
870 GCC_FOR_TARGET used by MULTILIBS.
871 * mklibgcc.in: Make sure each .o file depends on the
872 directory it will be in.
873 Make the multilib directory depends libgcc.
875 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
877 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
879 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
881 * fold-const.c (make_range): Handle degenerated intervals.
882 Fixes c-torture/execute/991221-1.c
884 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
886 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
887 * reload.c (find_equiv_reg): Likewise.
888 * alias.c (init_alias_analysis): Likewise.
889 Only call prologue_epilogue_contains on insns.
890 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
891 * bb-reorder.c (hard-reg-set.h): Include earlier.
892 * haifa-sched.c (hard-reg-set.h): Likewise.
893 * ifcvt.c (hard-reg-set.h): Likewise.
894 * local-alloc.c (hard-reg-set.h): Likewise.
895 * loop.c (hard-reg-set.h): Likewise.
896 * predict.c (hard-reg-set.h): Likewise.
897 * regrename.c (hard-reg-set.h): Likewise.
898 * flow.c (hard-reg-set.h): Likewise.
899 (reg_set_to_hard_reg_set): New function.
900 * bitmap.c (regs.h, basic-block.h): No longer include.
901 (bitmap.h): Now include.
902 * conflict.c (hard-reg-set.h): Include.
903 * profile.c (hard-reg-set.h): Likewise.
904 * print-rtl.c (hard-reg-set.h): Likewise.
905 * sbitmap.c (hard-reg-set.h): Likewise.
906 * toplev.c (hard-reg-set.h): Likewise.
907 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
908 * hard-reg-set.h (reg_names): Now constant.
909 * regs.h (reg_names): Likewise.
910 * regclass.c (reg_names): Likewise.
911 * loop.h (basic-block.h): No longer include.
912 (bitmap.h): Now include.
913 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
914 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
915 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
917 2000-05-19 Jan Hubicka <jh@suse.cz>
918 Richard Henderson <rth@cygnus.com>
920 * basic-block.h (struct edge_def): New field "count".
921 (struct basic_block_def): Likewise.
922 * flow.c (entry_exit_blocks): Add count fileds.
923 (split_edge): Keep count information up-to-date.
924 (dump_edge_info, dump_flow_info): Dump count fields.
926 * final.c (count_instrumented_edges): Rename to edge from arc.
927 (end_final): Update users.
928 * profile.c: Include expr.h, basic-block.h.
929 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
930 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
931 (ignore_next_note, return_label_execution_count): Kill.
932 (bbg_file_name, da_file_name): Kill.
933 (edge_info, bb_info): New structures.
934 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
935 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
936 (total_num_edges_instrumented): Likewise.
937 (init_arc, expand_spanning_tree): Kill.
938 (fill_spanning_tree, tablejump_entry_p): Kill.
939 (instrument_edges): Rewrite from instrument_arcs to use
940 commit_edge_insertions infrastructure.
941 (compute_branch_probabilities): Remove arguments; rewrite for
942 CFG infrastructure; use rtl_dump_file directly.
943 (branch_prob, find_spanning_tree): Likewise.
944 (union_groups, find_group): New.
945 (init_branch_prob): Make bbg_file_name and da_file_name local.
946 (end_branch_prob): Use rtl_dump_file directly.
947 (init_edge_profiler): Rename to edge from arc.
948 (output_arc_profiler): Kill.
949 (gen_edge_profiler): New.
950 (output_func_start_profiler): Turn off profiling. Make the
951 constructor static when we can.
952 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
954 * toplev.c (DFI_flow): Remove.
955 (DFI_cfg, DFI_life): New.
956 (dump_file): Update accordingly.
957 (compile_file): Call end_branch_prob if profile_arc_flag too.
958 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
959 profiling after the CFG is built. Move flow1 life analysis to
960 DFI_life. Always estimate remaining probabilities.
962 2000-05-19 Richard Henderson <rth@cygnus.com>
964 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
966 * flow.c (make_edges): The sibling call edge to exit is abnormal.
968 2000-05-19 Richard Henderson <rth@cygnus.com>
970 * jump.c (redirect_jump): Add delete_unused argument. Don't
971 remove labels and code following when LABEL_NUSES goes to zero.
972 (invert_jump): Likewise.
973 (jump_optimize_1): Fix redirect/invert arguments.
974 (do_cross_jump, thread_jumps): Likewise.
975 * flow.c (split_edge): Likewise.
976 * reorg.c (optimize_skip): Likewise.
977 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
978 * profile.c (instrument_arcs): Likewise.
979 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
980 * rtl.h: Update prototypes.
982 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
984 * ssa.c (convert_from_ssa): Tell life_analysis we need death
986 (make_regs_equivalent_over_bad_edges): Only look at abnormal
989 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
991 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
992 past l1 when deleting whitespace and markers.
994 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
995 * cpplib.c (do_unassert): Put the list to compare against on
998 2000-05-19 Bruce Korb <bkorb@gnu.org>
1000 * fixinc/README: cleaned up old documentation
1001 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1002 * fixinc/check.tpl: compute the list of needed directories
1003 emit "#if defined(name)" because of conflict
1004 omit machine name differences from output differences
1005 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1006 (machine_name): change test text to use `sed' markers
1007 * fixinc/fixincl.x: regen
1009 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1011 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1014 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1016 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1017 it to match the current practice.
1019 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1021 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1023 2000-05-18 Richard Henderson <rth@cygnus.com>
1025 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1026 * rtl.h (insn_dependant_p): Declare it.
1027 * loop.c (strength_reduce): Use it.
1029 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1031 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1032 16-bit and 64-bit clean-up.
1034 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1036 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1037 * configure: Rebuilt.
1039 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1041 * genopinit.c: Use $ for escape sequences in optab patterns.
1042 Remove backslashes from optab patterns. Change $A, $B, $C to
1043 expand to (int) whatever instead of just whatever; remove
1044 explicit (int) from all optab patterns.
1046 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1047 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1048 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1049 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1052 2000-05-18 Richard Henderson <rth@cygnus.com>
1054 * jump.c (jump_optimize_1): Base minimum insn count during
1055 find_cross_jump on BRANCH_COST.
1057 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1059 * print-rtl.c (print_rtx): Only print note line number as string
1060 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1061 * final.c (final_scan_insn): Do nothing for note line number 0.
1063 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1065 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1066 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1067 NOTE_INSN_DELETED_LABEL.
1069 2000-05-18 Nick Clifton <nickc@cygnus.com>
1071 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1072 uninitialised data in .rodata not .bss, and do not interpret an
1073 error in the initialisation value as meaning that the variable
1074 should be placed in the .bss section.
1076 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1078 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1079 not `$ac_cv_prog_cc_cc_c_o'.
1080 * configure: Regenerated.
1082 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1083 Richard Henderson <rth@cygnus.com>
1085 * c-common.h (enum c_tree_index): Add g77 type entries.
1086 (g77_integer_type_node, g77_uinteger_type_node): New.
1087 (g77_longint_type_node, g77_ulongint_type_node): New.
1088 * c-decl.c (init_decl_processing): Initialize them.
1090 2000-05-18 Richard Henderson <rth@cygnus.com>
1092 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1094 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1095 (small_power_of_two): Likewise; use exact_log2.
1096 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1097 (output_adds_subs): Remove.
1098 (two_insn_adds_subs_operand): New.
1099 (split_adds_subs): New.
1100 * config/h8300/h8300-protos.h: Update.
1101 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1102 (CONST_OK_FOR_L): Match strict adds operands.
1103 (CONST_OK_FOR_N): Match struct subs operands.
1104 * config/h8300/h8300.md (adds_subs insns): Remove.
1105 (addhi patterns): Output adds/subs directly.
1106 (addsi_h8300h): Likewise.
1107 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1109 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1111 * cppexp.c (parse_assertion): New.
1112 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1113 (_cpp_parse_expr): Remove case '#'. Don't set
1114 parsing_if_directive.
1115 * cpphash.c (collect_objlike_expansion,
1116 collect_funlike_expansion, collect_params,
1117 _cpp_create_definition): The list no longer has a trailing
1119 * cpphash.h (enum node_type): Add T_ASSERTION.
1120 (struct hashnode): Remove aschain, add pred.
1121 (struct predicate): New.
1124 * cpplex.c (expand_token_space): Handle both offset and
1126 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1127 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1128 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1129 _cpp_equiv_toklists): New.
1130 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1131 stop at any single-character token, not just newline.
1132 (_cpp_lex_token): Remove special cases for #define and #if.
1133 (cpp_get_token): Expect # as a separate token type. Remove
1135 (_cpp_get_directive_token): Remove DIRECTIVE case.
1136 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1138 * cpplib.c (_cpp_check_directive): Set dirno and
1139 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1140 (_cpp_handle_directive): Run # <number> through the same logic
1141 as normal directives.
1142 (do_define): Don't set parsing_define_directive. Use
1143 _cpp_scan_until. The list does not have a VSPACE at the end.
1144 (do_if): Save, clear, and restore only_seen_white around
1146 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1147 (do_assert, do_unassert): Rewrite.
1149 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1150 (LIST_OFFSET): New flag.
1151 (struct cpp_toklist): Replace dir_handler and dir_flags with
1153 (struct cpp_reader): Remove parsing_if_directive and
1154 parsing_define_directive.
1156 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1158 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1159 following the cabs decl which terminate on the following line.
1160 Add the corresponding test_text case.
1162 2000-05-18 Neil Booth <NeilB@earthling.net>
1164 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1165 default tab stop size.
1166 (no_num, OPT_ftabstop): New.
1167 (handle_option): Handle "ftabstop=" command-line option.
1168 (print_help): Document it.
1169 * cpplex.c (COLUMN): Remove.
1170 (handle_newline): Reset col_adjust.
1171 (skip_whitespace): Update col_adjust as tabs encountered.
1172 (_cpp_lex_line): Update to use col_adjust. Call
1173 skip_whitespace for all whitespace.
1174 * cpplib.h (struct cpp_options): New member tabstop.
1175 (struct cpp_reader): New member col_adjust.
1176 (CPP_BUF_COL): Update.
1177 (CPP_BUF_COLUMN): New.
1178 * cpp.texi: Document "-ftabstop=" command line option.
1180 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1182 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1184 * configure: Rebuilt.
1186 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1188 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1190 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1191 HOST_BITS_PER_WIDE_INT is >= 64.
1193 2000-05-17 Richard Henderson <rth@cygnus.com>
1195 * jump.c (jump_optimize_1): Remove inactive but real insns
1196 in jump-to-next-insn optimization.
1198 2000-05-17 Richard Henderson <rth@cygnus.com>
1200 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1201 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1202 Don't call recompute_reg_usage if no_new_pseudos is true.
1203 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1204 Return true if we did work; update global life information.
1205 * basic-block.h (optimize_mode_switching): Update decl.
1207 2000-05-17 Neil Booth <neilb@earthling.net>
1209 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1211 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1213 * cpplib.c: New feature, #pragma system_header.
1214 * cpp.texi: Document special treatment of system headers, and
1215 the various mechanisms to get a header that special treatment.
1217 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1219 * system.h (offsetof): Define at the very end, to ensure we prefer
1220 the platform's definition if available.
1222 2000-05-16 Bruce Korb <bkorb@gnu.org>
1224 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1225 * fixinc/server.c: likewise
1226 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1227 + #ifdef debugging code + use #def constant for
1229 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1230 on C++ math namespace
1232 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1234 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1235 Don't check the return value of sprintf. Use asprintf to avoid
1238 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1240 * flags.h (warn_unused_function, warn_unused_label,
1241 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1242 Replace ``warn_unused''.
1243 (set_Wunused): Add declaration.
1244 * toplev.c (set_Wunused): New function.
1245 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1246 warn_unused_variable, warn_unused_value): New variables.
1247 (W_options): Add -Wunused-function, -Wunused-function,
1248 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1249 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1251 * toplev.c (decode_W_option): Update -Wunused flags by calling
1253 * c-decl.c (c_decode_option): Ditto for -Wall.
1255 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1256 warn_about_unused_variables): Replace warn_unused with more
1257 explicit warn_unused_value et.al.
1258 * function.c (expand_function_end): Ditto.
1259 * c-typeck.c (internal_build_compound_expr,
1260 internal_build_compound_expr): Ditto.
1261 * c-decl.c (poplevel, pop_label_level): Ditto.
1262 * toplev.c (check_global_declarations): Replace warn_unused with
1263 check for either warn_unused_function or warn_unused_variable.
1265 * gcc.1, invoke.texi (Warning Options): Document
1266 -Wunused-function, -Wunused-function, -Wunused-label,
1267 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1269 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1271 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1272 $(srcdir), not in the current directory.
1274 2000-05-16 Richard Henderson <rth@cygnus.com>
1276 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1277 assembler supports it.
1278 (.fini, .init): Use a gp-relative indirect call.
1279 (__do_global_dtors_aux): Preserve the gp; rebundle.
1280 (__do_frame_setup): Likewise.
1281 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1282 (.init): Use a gp-relative indirect call.
1283 (__do_global_ctors_aux): Preserve the gp.
1285 2000-05-16 Richard Henderson <rth@cygnus.com>
1287 * flow.c (commit_one_edge_insertion): Be prepared for a return
1288 insn to be inserted on the edge with a normal jump.
1289 * jump.c (jump_optimize_1): Don't look to create return isns.
1291 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1292 * jump.c (jump_optimize_1): Likewise.
1293 (returnjump_p): Verify the argument is a JUMP_INSN.
1294 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1296 2000-05-16 Nick Clifton <nickc@cygnus.com>
1298 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1299 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1300 (large_insn_p): Ditto.
1301 (m32r_is_insn): New function: Return true if the insn contains
1302 an executable instruction.
1303 (m32r_adjust_insn): Use m32r_is_insn.
1304 (m32r_sched_reorder): Use m32r_is_insn.
1305 (m32r_sched_variable_issue): Use m32r_is_insn.
1307 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1309 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1312 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1314 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1315 according to given options.
1317 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1319 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1320 if X has VOIDmode either.
1321 (LIMIT_RELOAD_CLASS): Similarly.
1323 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1324 not "general_operand" to match the processor's capabilities.
1326 2000-05-16 Bruce Korb <bkorb@gnu.org>
1328 * fixinc/README: corrected return address
1329 * fixinc/check.diff: regenerate, now that test works
1330 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1331 (char_macro_def_fix,char_macro_use_fix): corrected and
1332 rewrote to use regex to parse the text
1333 * fixinc/inclhack.def: more testing
1334 * fixinc/fixincl.x: regenerated
1336 * fixinc/inclhack.def: added several "test_text" attributes
1337 changed several fixes to use `c_fix = format'
1338 re-alphabetized the fixes
1340 * fixinc/check.diff: regenerate
1341 * fixinc/fixincl.x: regenerate
1342 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1346 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1348 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1350 2000-05-15 Richard Henderson <rth@cygnus.com>
1352 * toplev.c (rest_of_compilation): Run full jump pass before
1353 find_basic_blocks of flow2.
1355 2000-05-15 Richard Henderson <rth@cygnus.com>
1357 * jump.c: Fix typos and clarify commentary from last change.
1358 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1359 (safe_to_remove_jump_p): Remove.
1360 (condjump_label): Use pc_set.
1362 2000-05-15 Richard Henderson <rth@cygnus.com>
1364 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1365 that get in the way after reload.
1366 (cond_exec_process_if_block): Skip a label heading THEN block.
1368 2000-05-15 Richard Henderson <rth@cygnus.com>
1370 * varasm.c (output_constant_pool): Abort instead of converting
1371 (improperly) deleted labels to zero.
1373 2000-05-16 Neil Booth <NeilB@earthling.net>
1375 * cpplex.c (parse_string2): Update comment.
1376 (cpp_lex_line): No special assertion treatment for '('.
1377 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1378 * cpplib.h (SYNTAX_ASSERT): Remove.
1380 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1382 * jump.c (condjump_p): Mark as depreached.
1383 (any_condump_p): New.
1384 (any_uncondump_p): New.
1386 (safe_to_remove_jump_p): New.
1387 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1388 safe_to_remove_jump_p): Declare.
1390 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1392 * calls.c: Re-install both patches reverted by last patch.
1393 (struct arg_data): New field tail_call_reg.
1394 (initialize_argument_information): Initialize tail_call_reg
1395 (load_register_parameters): New argument flags, use
1396 tail_call_reg when emiting tail call sequence.
1397 (expand_call): Update call of load_register_parameters;
1398 copy unadjusted_args_size to adjusted_args_size.
1400 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1402 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1403 and bct_p parameters to flags.
1404 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1405 * rtl.h (loop_optimize): Update prototype.
1406 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1408 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1410 * calls.c (expand_call): Move expand_start_target_temps call after
1413 2000-05-15 Neil Booth <NeilB@earthling.net>
1415 * cpphash.c (trad_stringify, warn_trad_stringify,
1416 collect_params): Make some pointers pointers to const.
1417 * cpplex.c (auto_expand_name_space) Guaranteed to always
1418 expand by at least one character.
1419 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1420 (struct token_spelling): Use const U_CHAR * rather than PTR.
1421 (expand_name_space): Fix up token pointers if name space
1422 is moved when expanding.
1423 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1424 parse_string2, save_comment, spell_token, cpp_output_list):
1425 Update so the routines handle tokens with a direct pointer to
1426 their text, rather than an offset into the token's list's namebuf.
1427 (_cpp_lex_line): Rearrange for clarity.
1429 * cpplib.c (_cpp_check_directive): Similarly.
1430 (do_define): Make SYM a pointer to const.
1431 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1432 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1433 (TOK_OFFSET): Delete.
1436 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1438 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1441 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1443 (logical_u_operand): Delete.
1444 (non_logical_cint_operand): Rewrite to take MODE into account.
1445 (non_logical_u_cint_operand): Delete.
1446 (boolean_operator): New function.
1447 (print_operand): Add new %q operand.
1448 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1449 remove logical_u_operand and non_logical_u_cint_operand,
1450 update logical_operand and non_logical_cint_operand.
1451 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1452 logical operations to use %q.
1454 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1455 (movdi): Make similar to movsi.
1456 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1457 is no such thing as a DImode CONST_DOUBLE.
1458 * config/rs6000/rs6000.c (output_toc): Likewise.
1460 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1461 codes when old mnemonics are in use. Print register names
1462 for cc registers when requested.
1464 * optabs.c (expand_float): Don't allow mode widening that causes
1467 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1468 flags to their current names -maix64 and -maix32.
1470 2000-05-14 Bruce Korb <bkorb@gnu.org>
1472 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1473 and/or after current text of file
1474 * fixinc/fixlib.c(must_malloc):
1475 * fixinc/fixlib.h(must_malloc): + reformatting
1476 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1477 with usages of ``c_fix = wrap;''
1478 Add several tests and use the ``c_fix = format'' fixer more.
1479 * fixinc/fixincl.x: regen
1480 * fixinc/check.diff: regen
1481 * fixinc/check.tpl: emit the associated header with the missing
1484 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1486 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1487 variables $src and $dst.
1489 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1491 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1492 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1493 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1494 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1496 (set_message_prefixing_rule): Declare.
1498 * diagnostic.c: (current_prefixing_rule): New variable.
1499 (set_message_prefixing_rule): Define.
1500 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1501 (init_output_buffer): Adjust Initialization.
1502 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1504 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1506 * ifcvt.c (if_convert): Do not free NULL.
1508 2000-05-12 Nick Clifton <nickc@cygnus.com>
1510 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1511 to move a double word value.
1512 (di_operand): New function: Return true if the operand is suitbale
1513 for a double word move operation.
1514 (nonimmediate_di_operand): New function: Return true if the
1515 operand is a DImode register or MEM.
1517 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1518 nonimmediate_di_operand.
1520 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1521 nonimmediate_di_operand.
1523 * config/fr30/fr30.md (movdi): New pattern. Required because
1524 other patterns generate DImode results.
1525 (movdi_insn): New pattern.
1527 2000-05-12 Richard Henderson <rth@cygnus.com>
1529 * config/alpha/alpha.c (struct shadow_summary): Define
1530 bitfields as type unsigned int.
1532 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1534 * config/avr/t-avr: Added definition of FLOAT while generates
1537 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1538 peepholes for tst+jump = sbrs/sbrc optimization.
1540 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1542 * expr.c (emit_push_insn): Do not adjust stack pointer when
1545 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1547 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1548 * system.h (offsetof): ... to here.
1550 2000-05-12 Richard Henderson <rth@cygnus.com>
1552 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1553 * final.c (final_end_function): Use app_disable. Rearrange note
1554 handling into a switch. Emit deleted labels.
1555 (output_asm_label): Generate label strings for deleted labels.
1556 * flow.c (tail_recursion_label_list): New.
1557 (find_basic_blocks_1): Set label_value_list directly. Collect list
1558 of tail recursion labels from call_placeholders. Don't add deleted
1559 labels to the label value list.
1560 (cleanup_cfg): Use free_EXPR_LIST_list.
1561 (flow_delete_insn_chain): Turn non-removable labels into notes.
1562 (flow_delete_block): Don't disable deleting the block because of
1563 a non-removable label.
1564 (tail_recursion_label_p): New.
1565 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1567 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1569 (merge_blocks): Disable a merge because of tail recursion labels.
1570 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1571 Use a more accurate measure of not merging the join block.
1572 (find_if_block): Don't disable conversion because of a label.
1573 (find_if_case_1, find_if_case_2): Likewise.
1574 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1575 element when copying.
1576 (squeeze_notes): Also leave EH notes.
1577 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1579 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1581 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1582 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1583 referring to a deleted label. Convert tail handling to a switch.
1584 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1585 for NOTE_INSN_DELETED_LABEL.
1586 (NOTE): Fix commentary.
1587 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1588 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1589 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1590 (LABEL_NUSES, LABEL_REFS): Likewise.
1591 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1593 2000-05-12 Bruce Korb <bkorb@gnu.org>
1595 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1596 * fixinc/check.diff: updated
1597 * fixinc/inclhack.def: corrected & added some test_text-s
1598 * fixinc/genfixes: removed unneeded options to autogen invocation
1599 * fixinc/fixincl.tpl: Specified the output file
1600 * fixinc/fixfixes.c: visual appearance
1601 * fixinc/fixincl.x: regenerate
1603 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1605 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1606 CTRL_defn_fix): Delete.
1607 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1608 char_macro_def_fix and char_macro_use_fix, respectively. Put
1609 them into the FIXUP_TABLE. Get the string to search for from
1612 (format_write): New function.
1613 (format_fix): Use it.
1615 (FIX_PROC_HEAD): Constify text parameter.
1616 (machine_name_fix): Constify all char *s.
1617 * fixtests.c (skip_quote): Remove double static.
1619 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1620 ctrl_use_quotes): Update for new scheme.
1621 * fixincl.x: Regenerate.
1623 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1625 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1627 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1628 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1630 2000-05-11 Robert Lipe <robertlipe@usa.net>
1632 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1633 * fixincl.x: Regenerate.
1635 2000-05-11 Richard Henderson <rth@cygnus.com>
1637 * calls.c: Revert both 05-09 patches.
1639 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1641 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1643 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1646 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1647 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1649 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1651 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1653 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1655 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1657 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1659 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1660 * config/avr/avr.c (jump_over_one_insn_p): New function.
1661 * config/avr/avr.md: New peepholes added. Output test and
1662 conditional jump to "sbrc" or "sbrs" command.
1664 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1666 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1668 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1670 * except.c (find_exception_handler_labels_1): New function.
1671 (find_exception_handler_labels): Split into two functions, dive
1672 into CALL_PLACEHOLDERs when looking for exception handler labels.
1674 2000-05-11 Stan Cox <scox@cygnus.com>
1676 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1677 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1678 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1680 2000-05-11 Bruce Korb <bkorb@gnu.org>
1682 * fixinc/fixfixes.c (double_slash_fix): obsolete
1683 (else_endif_label_fix): obsolete
1684 (format_fix): new, unused as yet
1686 * fixinc/fixlib.h: added fix description struct for use by format_fix
1687 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1688 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1689 modules. Removed the vestiges of the script version.
1690 Added support for "make check".
1691 * fixinc/check.diff: base diff file (needs work!!)
1692 * fixinc/check.tpl: quiet the fixup output
1693 * fixinc/fixtests.c (main): obsolete
1694 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1695 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1697 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1699 * toplev.c (rest_of_compilation): Remove dead code after
1702 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1704 * cpphash.c (collect_funlike_expansion): Make "# is not
1705 followed by a macro argument name" a pedwarn, not an error.
1706 Preserve the # in the output. Suppress the warning if lang_asm.
1708 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1710 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1711 * configure: Rebuilt.
1713 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1715 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1717 2000-05-10 Kazu Hirata <kazu@hxi.com>
1719 * combine.c (try_combine): Fix a typo.
1721 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1723 * config/ia64/ia64.md (insv): Add comment.
1725 2000-05-10 Richard Henderson <rth@cygnus.com>
1727 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1728 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1729 dependancies on FPBIT and DPBIT.
1731 2000-05-10 Nick Clifton <nickc@redhat.com>
1733 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1734 when optimising for size.
1735 (mark_used_regs:) Ditto.
1736 (try_pre_increment_1): Ditto.
1738 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1740 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1741 Make error message friendlier.
1743 * cpphash.h (struct hashnode): Use struct hack for name
1745 * cpphash.c (struct hashdummy): New.
1746 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1747 (make_HASHNODE): No need to set ->name pointer. Correct
1749 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1751 2000-05-10 Richard Henderson <rth@cygnus.com>
1753 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1756 2000-05-10 Bruce Korb <bkorb@gnu.org>
1758 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1760 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1762 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1763 after we enter .debug.
1765 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1767 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1768 abstract instance of a nested inline function.
1770 * stor-layout.c (finish_record_layout): finalize_type_size
1771 before laying out the pending_statics.
1773 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1775 * cpplex.c (spell_token): New function.
1776 (spell_string, spell_comment, spell_name): fold into
1779 (E, H): Remove macros.
1780 (save_comment): Save comment opening characters too.
1781 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1783 * cpplib.h (I, S): Add macros.
1784 (E, H): Remove macros.
1785 (TTYPE_TABLE): Update entries for new speller.
1786 (SYNTAX_ASSERT): Remove.
1788 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1790 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1791 when removing escaped newlines. Reverse sense of test for
1794 2000-05-09 Richard Henderson <rth@cygnus.com>
1796 * flow.c (find_basic_blocks_1): Do not delete the first
1797 bb_note we run across.
1798 (create_basic_block): Use reorder_insns to move an existing
1799 bb_note to the correct place.
1801 2000-05-09 Richard Henderson <rth@cygnus.com>
1803 * calls.c (expand_call): Increment currently_expanding_call
1804 before calling optimize_tail_recursion.
1806 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1808 * reload1.c (reload_combine): Fix errors in last change.
1810 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
1812 * gcc.c (used_arg): Skip over a semicolon at the end of the
1813 split-up loop; don't break out of it.
1815 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
1816 (tree.o): Depend on output.h.
1818 * c-decl.c (pending_invalid_xref_file,
1819 current_function_prototype_file): Constify.
1820 (pushdecl): Constify a local char *.
1821 (define_label): Constify filename parameter.
1822 * c-lex.c (init_parse): Constify parameter and return value.
1823 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
1824 * c-tree.h: Update prototypes.
1825 * c-parse.in: Constify filename member of %union, and if_stmt_file.
1826 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
1827 objc/objc-parse.c: Regenerate.
1829 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
1830 * dwarfout.h: Update prototypes.
1831 * expr.c (expand_expr): Constify a local char *.
1832 * flags.h: Constify main_input_filename.
1833 * function.c (expand_function_end): Constify filename parameter.
1834 * genrecog.c (make_insn_sequence): Use a character array for
1836 (main): Remove unused variables.
1837 * input.h: Constify input_filename, main_input_filename, and
1838 file_stack.name. Update prototypes.
1839 * output.h: Declare first_global_object_name and
1840 weak_global_object_name here, as const char *.
1841 * stmt.c (expand_asm_operands): Constify filename parameter.
1842 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
1843 Constify filename parameter.
1844 (input_filename, main_input_filename): Constify.
1845 * toplev.h: Update prototypes.
1846 * tree.c: Include output.h. Don't declare
1847 first_global_object_name or weak_global_object_name. Clean up string
1848 bashing in get_file_function_name_long.
1849 * tree.h (struct tree_decl): Constify filename member.
1850 (input_filename): Constify.
1852 * varasm.c (first_global_object_name, weak_global_object_name):
1854 (assemble_start_function, assemble_variable): Clean up string bashing.
1856 * gcc.c: Constify all spec-related strings initialized,
1857 transitively, from string constants. Constify all strings
1858 and string variables related to multilibs.
1859 (set_spec, read_specs): Cast argument to free to PTR.
1860 (used_arg): Do not modify multilib_matches. Use strncmp plus
1861 length comparison to compare multilib switches.
1862 * genmultilib: Constify everything declared in multilib.h.
1864 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
1866 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
1869 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
1871 * config/avr/avr-protos.h (extra_constraint): change a type of
1872 second argument from char to int to avoid warnings.
1873 (asm_output_byte): Likewise.
1875 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
1876 (initial_elimination_offset): Handle elimination from
1877 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
1878 (legitimate_address_p): Use MAX_LD_OFFSET.
1879 (legitimize_address): Likewise.
1880 (out_movqi_r_mr): Likewise.
1881 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
1882 (out_movsi_r_mr): Use MAX_LD_OFFSET.
1883 (out_movsi_mr_r): Likewise.
1884 (out_movqi_mr_r): Likewise.
1885 (out_movhi_mr_r): Likewise.
1886 (notice_update_cc): Correct CC for the ashrqi3 with the shift
1887 count as CONST_INT != 6.
1888 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
1889 shift count is a CONSTANT_P, but not a CONST_INT.
1890 (ashlhi3_out): Coding style modifications.
1891 (ashlsi3_out): Likewise.
1892 (ashrhi3_out): Likewise.
1893 (ashrsi3_out): Likewise.
1894 (lshrhi3_out): Likewise.
1895 (lshrsi3_out): Likewise.
1896 (ashrqi3_out): Generate shift for any known constant count without
1897 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
1898 but not a CONST_INT.
1899 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
1900 shift count is a CONSTANT_P, but not a CONST_INT.
1901 (extra_constraint): change a type of
1902 second argument from char to int to avoid warnings.
1903 (asm_output_byte): Likewise.
1904 (asm_file_end): Output size generated commands count as a hex
1907 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
1909 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
1911 (ashlqi3): Values of "length" attribute changed. Shift count
1912 uses constraints 'n' instead of 'i'.
1913 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
1914 shifts without clobber register.
1915 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
1916 (call_insn): Correct test for which_alternative == 1 (was 0).
1917 (call_value_insn): Likewise.
1919 * config/avr/t-avr: Remove definition of FLOAT while generates
1922 2000-05-09 Bruce Korb <bkorb@gnu.org>
1924 * fixinc/check.tpl: Template for checking fixes
1925 * fixinc/inclhack.def: Added 'test_text' for many fixes
1926 disable hpux8_bogus_inlines on SCO
1927 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
1929 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
1931 * calls.c (expand_call): Reorganize somewhat in order
1932 to avoid unnecesary recalculation inside loop and make
1933 tail call failure code cleaner.
1935 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1937 * alias.c (nonlocal_reference_p): Minor reformatting.
1938 * reload.c (find_equiv_reg): Simplify logic for
1939 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
1940 some some reformatting.
1941 * reload1.c (reload_combine): Don't assume everything in
1942 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
1944 2000-05-08 Richard Henderson <rth@cygnus.com>
1946 * final.c (current_insn_predicate): New.
1947 (final_scan_insn): Set it.
1948 * output.h (current_insn_predicate): Declare.
1950 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
1951 Attach it to call insns.
1952 (cond_exec_process_if_block): Track probability for true and
1954 (dead_or_predicable): Likewise.
1956 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
1957 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
1958 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
1959 (estimate_probability, expected_value_to_br_prob): Use them.
1961 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
1962 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
1963 (ia64_expand_prediction): New.
1964 (emit_insn_group_barriers): Don't look at notes. Emit barriers
1965 as needed after calls.
1966 (ia64_epilogue_uses): Mark b0 used.
1967 * config/ia64/ia64.md (beq_true, beq_false): Remove.
1968 (bne_true, bne_false): Remove.
1969 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
1970 (br_true, br_false): New. Use predicate_operator and
1971 ia64_expand_prediction.
1972 (return_true, return_false): Likewise.
1973 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
1974 (call_internal1, call_value_internal): Likewise.
1975 (call_value_internal1, call_multiple_values_internal1): Likewise.
1977 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
1979 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
1981 2000-05-08 Richard Henderson <rth@cygnus.com>
1983 * rtlanal.c (may_trap_p): Consider old-style and volatile
1986 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
1988 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
1990 2000-05-08 Richard Henderson <rth@cygnus.com>
1992 * config/ia64/ia64.h (predicate_operator): Declare.
1994 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
1997 * gensupport.c (process_rtx): Copy and post-process each member
1998 of the define_insn rtvec individually.
2000 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2002 * cpplex.c (spell_token): New function.
2003 (TOKEN_LEN): Add 1 for whitespace.
2004 (_cpp_lex_file): Update to use spell_token.
2005 * cpplib.h (E): Remove.
2006 (TTYPE_TABLE): Update CPP_VSPACE entry.
2008 2000-05-08 Richard Henderson <rth@cygnus.com>
2010 * flow.c (init_propagate_block_info): Watch out for conditional
2011 branch to next instruction, and thus one outgoing edge.
2013 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2014 for global register variables; don't special case __[CD]TOR_LIST__;
2015 mind ggc_p for string allocation.
2017 2000-05-08 Nick Clifton <nickc@cygnus.com>
2019 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2021 2000-05-08 Bruce Korb <bkorb@gnu.org>
2023 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2024 i?86-*-msdosdjgpp* no longer uses fixincludes
2025 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2026 * fixinc/inclhack.sh: deleted
2027 * fixinc/hackshell.tpl: deleted
2028 * fixinc/inclhack.tpl: deleted
2029 * fixinc/Makefile.in: Remove dependencies on above
2030 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2032 2000-05-08 Andreas Jaeger <aj@suse.de>
2034 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2037 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2039 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2042 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2044 * cpplex.c: Move new lexer definitions and prototypes
2045 to top. Conditional include these and the code if
2046 NEW_LEXER is defined. Rename functions whose names
2047 clash if this code included.
2049 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2051 * rtl.def (COND_EXEC): Clarify.
2053 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2054 same fashion as zero_extendsidi2.
2056 2000-05-06 Richard Henderson <rth@cygnus.com>
2058 * config/ia64/ia64.c (predicate_operator): New.
2059 (ia64_print_operand): Handle 'J'.
2060 (rtx_needs_barrier): Handle COND_EXEC.
2061 * config/ia64/ia64.h (BRANCH_COST): Define.
2062 (PREDICATE_CODES): Update.
2063 * config/ia64/ia64.md: Docuement used unspec values.
2064 (attr predicable): New.
2065 (movxf, movxf_internal): New.
2066 (extendsfdf2): Don't comment out nop.
2067 (floatdidf2): Remove.
2068 (truncxfsf2, truncxfdf2, floatdixf2): New.
2069 (abssi2, absdi2): Put the neg in the "true" slot.
2070 (conditional branch instructions): Mark not predicable.
2071 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2072 (abs*_internal): Likewise.
2073 (alloc, set_bsp): Mark not predicable.
2074 (barrier, insn_group_barrier, flush_cache): Likewise.
2075 (define_cond_exec): New.
2077 2000-05-06 Richard Henderson <rth@cygnus.com>
2079 * c-decl.c: Include "tm_p.h".
2081 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2082 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2083 (ia64_expand_op_and_fetch): Declare.
2084 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2085 (setjmp_operand): Constify variables for XSTR.
2086 (ia64_encode_section_info): Likewise.
2087 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2089 (ia64_asm_output_external): Constify name.
2090 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2091 (process_for_unwind_directive): Provide switch default.
2092 (ia64_expand_compare_and_swap): Remove unused variables.
2093 (ia64_expand_builtin): Likewise.
2094 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2097 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2098 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2099 (shift_count_operand, shift_32bit_count_operand): Likewise.
2100 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2101 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2102 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2103 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2104 (ia64_expand_builtin): Likewise.
2105 (call_multiple_values_operation): Make dest_regno unsigned.
2107 2000-05-06 Richard Henderson <rth@cygnus.com>
2109 * rtl.def (DEFINE_COND_EXEC): New.
2110 * md.texi: Document it.
2112 * gensupport.c (input_file): Remove.
2113 (struct queue_elem): Add lineno.
2114 (rtx_ready_queue): Remove.
2116 (predicable_default): New.
2117 (predicable_true, predicable_false): New.
2118 (define_attr_queue, define_attr_tail): New.
2119 (define_insn_queue, define_insn_tail): New.
2120 (define_cond_exec_queue, define_cond_exec_tail): New.
2121 (other_queue, other_tail): New.
2122 (queue_pattern): New.
2123 (process_rtx): Add patterns to the appropriate queues.
2124 (is_predicable, identify_predicable_attribute): New.
2125 (n_alternatives, collect_insn_data): New.
2126 (alter_predicate_for_insn, alter_test_for_insn): New.
2127 (shift_output_template, alter_output_for_insn): New.
2128 (process_one_cond_exec, process_define_cond_exec): New.
2129 (init_md_reader): Read the entire file. Process define_cond_exec.
2130 (read_md_rtx): Return elements from the queues.
2132 2000-05-06 Richard Henderson <rth@cygnus.com>
2134 * flow.c (mark_set_1): Don't update conditional life info
2135 if the register is not_dead.
2137 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2139 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2140 (mostlyclean): Also delete fixincl, fixinc.sh, and
2141 specs.ready, and make clean in the fixinc subdir.
2143 2000-05-06 Richard Henderson <rth@cygnus.com>
2145 * Makefile.in (gensupport.o): Compile for the host.
2146 (host-prefix gensuuprt.o): Remove.
2147 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2148 (genattrtab.o): Likewise.
2149 (gencodes.o): Depend on gensupport.h.
2150 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2151 (genpeep.o, genattr.o, genoutput.o): Likewise.
2153 * gensupport.c (obstack, rtl_obstack): New.
2154 (init_md_reader): Initialize rtl_obstack.
2155 * gensupport.h (rtl_obstack): Declare.
2156 (message_with_line): Declare.
2158 * genattr.c: Remove all traces of obstack manipulation.
2159 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2160 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2162 * genattrtab.c (obstack, rtl_obstack): Remove.
2163 (main): Don't init rtl_obstack.
2164 * genflags.c: Likewise.
2166 * genrecog.c (message_with_line): Move ...
2167 * gensupport.c: ... here.
2169 2000-05-06 Richard Henderson <rth@cygnus.com>
2171 * c-typeck.c (build_c_cast): Remove dead code.
2173 2000-05-06 Richard Henderson <rth@cygnus.com>
2175 * flow.c (split_edge): Don't allocate global_live_at_start for
2176 the new block unless the old blocks had them as well.
2178 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2180 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2181 test_bb if a or b uses x.
2183 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2185 * cpphash.h: Remove conditional #define of __extension__.
2186 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2187 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2188 (ENABLE_RTL_CHECKING only).
2189 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2190 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2191 (ENABLE_TREE_CHECKING only).
2192 * varray.h: Add __extension__ to VARRAY_CHECK macro
2193 (ENABLE_CHECKING only).
2195 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2197 Use new tail-calling mechanism on ARM.
2198 * arm.md (sibcall, sibcall_value): New expands.
2199 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2200 (tailcalling peepholes): Delete.
2201 (push_multi): Simplify.
2202 * arm.c (lr_save_eliminated): Delete definition.
2203 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2204 (output_return_instruction): Remove checks on lr_save_eliminated.
2205 (output_arm_prologue): Remove old tail-calling code.
2206 (arm_output_epilogue): New parameter, really_return. All callers
2207 changed. Handle tail-calling epilogues.
2208 * arm.h (lr_save_eliminated): Delete declaration.
2209 (frame_pointer_needed): Delete declaration.
2210 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2212 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2214 * arm.c (thumb_code): Define it.
2215 (arm_override_options): Set it.
2216 * arm.h (thumb_code): Declare it.
2218 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2220 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2222 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2224 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2225 bogus clobber to insns.
2226 (load_multiple_operation, store_mulitple_operation): Don't check
2228 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2230 * arm.md (and_scc, ior_scc): Add missing mode.
2232 * arm.md (call_value_symbol): Remove predicate from op2.
2234 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2236 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2238 * expr.c (get_subtarget): New function.
2239 (force_operand, expand_expr, do_store_flag): Use it.
2241 * toplev.c (compile_file): Don't take strlen of NAME if null.
2243 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2245 * xcoffout.c (xcoff_current_include_file,
2246 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2247 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2249 (xcoffout_declare_function): Make name 'const char *'.
2250 (xcoffout_end_epilogue): Make fname 'const char *'
2251 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2252 xcoffout_declare_function, xcoffout_source_line): Match above.
2254 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2256 * rs6000.c (print_operand): Fix lossage typo.
2257 (output_cbranch): Remove "cr" decoration for now.
2258 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2260 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2262 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2265 2000-05-05 Bruce Korb <bkorb@gnu.org>
2267 * fixinc/genfixes: Improve the matching for make target names
2269 2000-05-05 Catherine Moore <clm@cygnus.com>
2271 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2272 attribute to the decl.
2273 * c-decl.c (pushdecl): Propagate the USED attribute to the
2276 2000-05-05 Richard Henderson <rth@cygnus.com>
2278 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2279 same way emit_group_load does.
2281 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2283 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2285 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2288 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2290 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2292 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2294 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2295 to support -shared, on platforms with dynamic libraries.
2297 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2299 * system.h (S_ISBLK): Provide fallback definition.
2301 2000-05-05 Geoff Berry <geoffb@bops.com>
2303 * extend.texi (Extended Asm): Document inability to give asm
2304 statements access to condition codes.
2306 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2308 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2309 as arg 2 of UNIQUE_SECTION.
2311 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2313 * predict.c: Remove May 4 change.
2314 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2315 if we have predicted the branch at 50-50 probability.
2317 2000-05-05 Richard Henderson <rth@cygnus.com>
2319 * flow.c (init_propagate_block_info): Fix merge error
2320 in HAVE_conditional_execution code.
2322 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2324 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2325 shift cycle for unknown shift count. Also generates dec + brpl.
2326 (ashlqi3_out): Don't generate dec + brpl which now generates by
2327 `out_shift_with_cnt'.
2328 (ashlhi3_out): Likewise.
2329 (ashlsi3_out): Likewise.
2330 (ashrqi3_out): Likewise.
2331 (ashrhi3_out): Likewise.
2332 (ashrsi3_out): Likewise.
2333 (lshrqi3_out): Likewise.
2334 (lshrhi3_out): Likewise.
2335 (lshrsi3_out): Likewise.
2337 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2339 * gcc.c (free_split_directories): Correct typo in explanation
2340 of make_relative_prefix.
2342 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2344 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2345 comparison codes to branch_comparison_operator.
2347 2000-05-04 Richard Henderson <rth@cygnus.com>
2349 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2351 2000-05-04 Richard Henderson <rth@cygnus.com>
2353 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2354 (DPBIT_FUNCS): Remove _sf_to_usi.
2355 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2357 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2358 between condition and jump.
2360 * libgcc2.c (near eh_context_specific): Comment #endif string.
2361 * longlong.h: Don't use strings with embedded newlines.
2363 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2365 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2366 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2367 (print_operand): Delete %t and %T codes.
2368 (output_cbranch): New function. Support branch prediction.
2369 * config/rs6000/rs6000.md: Use output_cbranch for
2370 conditional branches and returns.
2372 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2374 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2375 * stor-layout.c (place_field): Likewise.
2376 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2377 * expr.c (store_expr): Make align unsigned.
2378 * explow.c (plus_constant_wide): Make low words unsigned.
2379 * expmed.c (choose_multiplier): Likewise.
2380 * fold-const.c (fold): Likewise.
2381 * tree.h (build_int_2): Likewise.
2382 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2383 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2384 (init_emit): Change cast to unsigned char*.
2385 * varasm.c (compare_constant_1): Add cast to char*.
2386 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2387 * reload1.c (reload): Likewise.
2389 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2391 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2393 * predict.c (estimate_probability): If no prediction was found, then
2394 predict the successor that is the next physical block (if such a
2397 2000-05-04 Richard Henderson <rth@cygnus.com>
2399 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2401 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2405 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2407 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2408 attribute macros from here ...
2409 (CPP_SPEC): to here.
2410 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2411 (CPP_SPEC): Likewise.
2412 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2414 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2415 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2417 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2419 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2421 * diagnostic (vbuild_message_string, build_message_string,
2422 build_location_prefix, output_get_prefix, init_output_buffer,
2423 output_notice, vline_wrapper_message_with_location,
2424 v_message_with_decl, default_print_error_function): De-constify.
2425 (set_real_maximum_length): Prototype.
2427 * diagnostic.h (struct output_buffer, init_output_buffer,
2428 output_get_prefix, output_set_prefix): De-constify.
2430 * function.c (init_function_start): Constify.
2432 * gensupport.c (remove_constraints, process_rtx): Prototype.
2434 * gthr-posix.h: Indent uses of #pragma.
2436 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2439 * predict.c (find_expected_value): Delete prototype.
2440 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2442 * sbitmap.h (debug_sbitmap): Prototype.
2444 * ssa.c (compute_coalesced_reg_partition): Prototype.
2446 * stor-layout.c (debug_rli): Prototype.
2448 * tree.h (round_down): Prototype.
2449 (init_function_start): Constify.
2451 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2453 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2454 (overly conservative). Change extern inline wrappers to
2455 static inline, define them always, use PARAMS properly.
2456 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2457 whitespace warnings for \f and \v at the beginning of a line.
2459 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2461 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2464 2000-05-04 Bruce Korb <bkorb@gnu.org>
2466 * fixincl/inclhack.def: added broken_cabs -
2467 Remove `extern double cabs' declarations from math.h
2468 * fixincl/inclhack.sh: regen
2469 * fixincl/fixincl.x: regen
2470 * fixincl/fixincl.c: Remove BOGOSITY code
2471 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2473 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2475 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2477 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2478 when calling MEM_COPY_ATTRIBUTES.
2479 * emit-rtl.c (operand_subword, change_address): Likewise.
2480 * explow.c (stabilize): Likewise.
2481 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2482 * integrate.c (copy_rtx_and_substitute): Likewise.
2483 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2484 when calling MEM_COPY_ATTRIBUTES.
2485 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2487 * cse.c (gen_lowpart_if_possible): Likewise.
2488 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2489 * optabs.c (gen_move_insn): Likewise.
2490 * recog.c (validate_replace_rtx_1): Likewise.
2491 * simplify-rtx.c (add_mem_for_addr): Likewise.
2492 * stmt.c (expand_anon_union_decl): Likewise.
2493 * config/arm/arm.md: Likewise.
2494 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2495 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2496 (block_move_no_loop, block_move_sequence): Likewise.
2497 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2498 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2499 Clear MEM_ALIAS_SET.
2500 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2501 MEM_COPY_ATTRIBUTES.
2503 2000-05-03 Robert Lipe <robertlipe@usa.net>
2505 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2506 to suppress libgcc1.
2507 (i[34567]86-*-sco3.2v5*) Likewise.
2508 (i[34567]86-*-sco3.2v4*) Likewise.
2509 (i[34567]86-*-sco) Likewise.
2510 (i[34567]86-*-solaris2) Likewise.
2511 (i[34567]86-*-sysv5*) Likewise.
2512 (i[34567]86-*-sysv4*) Likewise.
2513 (i[34567]86-*-udk*) Likewise.
2514 (i[34567]86-*-sysv*) Likewise.
2516 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2518 * cpphash.h (U): New define, to correct type of string constants.
2519 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2520 routines, to do casts when passing unsigned strings to libc.
2521 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2523 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2524 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2525 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2526 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2527 second argument an U_CHAR *.
2529 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2530 length field, clean up initializer.
2531 (ISTABLE): Add __extension__ to designated-
2532 initializers version.
2533 * cpplex.c (CHARTAB): Likewise.
2535 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2536 case so the file won't be empty.
2538 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2540 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2541 (REORDER_BLOCK_SUCC): Removed.
2542 (enum reorder_skip_type): Removed.
2543 (skip_insns_between_block): Renamed to skip_insns_after_block.
2544 Removed second argument. Removed dead code and cleaned up.
2545 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2546 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2547 second parameter to skip_insns_after_block.
2549 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2551 * tree.c (staticp, case LABEL_DECL): New case.
2553 2000-05-03 Richard Henderson <rth@cygnus.com>
2555 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2557 * mklibgcc1.in: Fix typo last change.
2559 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2561 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2562 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2563 (GCC_CFLAGS): Use it.
2564 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2565 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2566 objc/Make-lang.in: Use it.
2568 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2570 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2572 2000-05-03 Richard Henderson <rth@cygnus.com>
2574 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2575 LIBGCC1 empty with libgcc1.null.
2577 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2579 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2582 2000-05-03 Greg McGary <gkm@gnu.org>
2584 * tree.h (tree_common): Add bounded_flag member. Remove
2585 inaccurate comment about number of remaining bits.
2586 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2587 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2588 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2589 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2590 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2591 (TYPE_QUAL_BOUNDED): New constant.
2592 (TYPE_QUALS): Handle bounded qualifier.
2593 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2594 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2595 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2596 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2597 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2598 (tree_type): Add pointer_depth member. Remove
2599 inaccurate comment about number of remaining bits.
2600 (DECL_POINTER_DEPTH): Add macro.
2601 (tree_decl): Add pointer_depth member.
2603 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2605 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2606 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2607 (lshrhi3_out): Likewise.
2608 (ashrsi3_out): bugfix in shift by 8.
2609 (test_hard_reg_class): New function.
2610 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2611 (ashlhi3): removed define_expand of this pattern.
2612 (*ashlhi3_insn): renamed to ashlhi3.
2613 (ashlsi3): removed define_expand of this pattern.
2614 (*ashlsi3_insn): renamed to ashlsi3.
2615 (ashrqi3): removed define_expand of this pattern.
2616 (*ashrqi3_insn): renamed to ashrqi3.
2617 (ashrhi3): removed define_expand of this pattern.
2618 (*ashrhi3_insn): renamed to ashrhi3.
2619 (ashrsi3): removed define_expand of this pattern.
2620 (*ashrsi3_insn): renamed to ashrsi3.
2621 (lshrhi3): removed define_expand of this pattern.
2622 (*lshrhi3_insn): renamed to lshrhi3.
2623 (lshrsi3): removed define_expand of this pattern.
2624 (*lshrsi3_insn): renamed to lshrsi3.
2626 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2628 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2629 inclusion of "system.h".
2631 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2633 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2636 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2638 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2639 if -mauto-pic is on.
2640 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2641 -mconstant-gp is in effect and function-descriptors are being used
2642 to make indirect calls.
2643 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2644 (MASK_AUTO_PIC): Ditto.
2645 (TARGET_CONST_GP): Ditto.
2646 (TARGET_AUTO_PIC): Ditto.
2647 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2648 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2649 -mno-pic is in effect.
2650 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2651 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2652 -mauto-pic is in effect.
2653 (gprel64_offset): New pattern.
2654 (load_gprel64): Ditto.
2655 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2656 -mconstant-gp is in effect, no need to preserve gp around direct
2658 (call_value): Ditto.
2659 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2660 (FUNCTION_PROFILER): Define.
2661 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2662 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2663 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2665 2000-05-03 Richard Henderson <rth@cygnus.com>
2667 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2668 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2669 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2670 (mklibgcc, libgcc.mk): New targets.
2671 (libgcc.a): Use libgcc.mk.
2672 (stmp-multilib): Likewise.
2673 (stmp-multilib-sub): Remove.
2674 (mostlyclean): Don't delete libgcc2 temp files.
2675 * configure.in (AC_PROG_CC_C_O): Add.
2676 (NO_MINUS_C_MINUS_O): Substitute it.
2677 (all_outputs): Add mklibgcc.
2678 * mklibgcc.in: New file.
2680 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2682 * cppexp.c (op_t): Make an int.
2684 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2686 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2688 * gensupport.c (process_rtx): Fix macros used.
2690 2000-05-03 Richard Henderson <rth@cygnus.com>
2692 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2693 call-clobbered registers of a call.
2695 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2697 * gensupport.c: New file.
2698 * gensupport.h: New file.
2699 * Makefile.in (HOST_RTL): Depend on gensupport.
2700 (gensupport.o) New rule.
2701 * genattr.c: Use gensupport for reading .md files.
2702 * genattrtab.c: Ditto.
2703 * gencodes.c: Ditto.
2704 * genconfig.c: Ditto.
2706 * genextract.c: Ditto.
2707 * genflags.c: Ditto.
2708 * genopinit.c: Ditto.
2709 * genoutput.c: Ditto.
2711 * genrecog.c: Ditto.
2712 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2713 * md.texi (Insn Splitting): Document define_insn_and_split.
2715 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2717 * flow.c (verify_flow_info): Added two more sanity checks. The
2718 first checks that the blocks are numbered consecutively. The second
2719 checks that n_basic_blocks is actually equal to the number of
2720 basic blocks in the insn chain.
2722 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2724 * cpplib.h: Add accessor macros for token lists.
2725 * cpplib.c, cpphash.c, cpplex.c: Use them.
2727 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2729 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2730 memory usage if not in a function.
2731 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2732 return address if static.
2734 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2736 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2737 whether address may trap.
2739 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2741 * bb-reorder (chain_reorder_blocks): Changed code to test for
2742 EDGE_FALLTHRU rather than making erroneous assumption that the
2743 first outgoing edge is the fall-through edge.
2745 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2747 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2748 ABI for varargs, across all MIPS. This is incompatible because the
2749 va_list (__builtin_va_list) structure is different, so a compilation
2750 unit passing a va_list and a compilation unit being passed one, should
2751 both be compiled with the same ABI. (The old structure had two
2752 pointers, now it has three.)
2754 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2756 * bb-reorder.c (struct reorder_block_def): Remove members end,
2757 block_begin, and block_end.
2758 (REORDER_BLOCK_OLD_END): Delete.
2759 (REORDER_BLOCK_BEGIN): Delete.
2760 (REORDER_BLOCK_END): Delete.
2761 (chain_reorder_blocks): Remove dead code.
2763 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2765 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2766 notes as the end of a basic block before deleting.
2768 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2770 * final.c (final_start_function): Fix spelling of "necessary".
2772 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2774 * toplev.c (debug_ignore_block): Return int.
2775 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2776 * toplev.h, dwarf2out.h: Adjust.
2777 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2779 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2780 * toplev.c, final.c, rtl.h: Adjust.
2782 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2784 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2785 * configure.in: Look for makeinfo in the unified tree, then
2786 for a system makeinfo which is sufficiently new.
2787 * Makefile.in: If configure says makeinfo is too old, don't
2788 build or install Info documentation.
2790 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2792 * cpphash.c (collect_params): Fix off-by-one error.
2793 (dump_hash_helper): Dump all four macro nodetypes.
2795 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2797 * cpphash.c (trad_stringify): Adjust p after stringification as
2800 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2802 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2803 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2805 * cppfiles.c (file_cleanup): Delete.
2806 * cpphash.c (macro_cleanup): Delete.
2807 (collect_objlike_expansion, collect_funlike_expansion,
2808 macarg, scan_arguments): Remove CPP_POP case.
2810 * cpplex.c (null_cleanup): Delete.
2811 (cpp_pop_buffer): Do the work that was done in the cleanups
2812 here. Call _cpp_unwind_if_stack from here.
2813 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
2814 cpp_scan_buffer): Run until we see CPP_EOF and the top of
2815 stack is the buffer _below_ the one we stacked.
2816 (cpp_get_token): Always pop an exhausted buffer. Return
2817 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
2818 * cpplib.c (skip_if_group): Don't call cpp_get_token to
2819 increment the line number.
2820 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
2822 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
2823 we see CPP_EOF and the top of stack is the buffer _below_ the
2825 * scan-decls.c: Likewise.
2827 2000-05-02 Andrew Haley <aph@cygnus.com>
2829 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
2830 where this function is called for the second time on a decl that
2831 has had its section info changed in such a way as to move it out
2833 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
2835 2000-05-01 Richard Henderson <rth@cygnus.com>
2837 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
2838 the sequence we're moving, not to merge_bb->head.
2840 2000-05-01 Richard Henderson <rth@cygnus.com>
2842 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
2843 reference to alpha/t-linux.
2844 (alpha*-*-linux-gnu*): Likewise.
2845 * configure: Rebuild.
2847 * calls.c (expand_call): Don't emit reg notes for a sibcall.
2849 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
2852 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
2854 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
2856 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
2859 2000-05-01 Richard Henderson <rth@cygnus.com>
2861 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
2862 emit_conditional_move.
2864 2000-05-01 Jakub Jelinek <jakub@redhat.com>
2866 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
2867 as the dynamic linker.
2869 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
2871 * cppfiles.c (open_include_file): Open file in blocking mode.
2872 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
2873 Only exclude block devices and directories.
2875 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
2876 static. Allocate the hashnode and its string in the same
2878 (del_HASHNODE): Don't free h->name.
2879 (_cpp_lookup): If there is no entry for this string, create
2880 one, of type T_VOID.
2881 (_cpp_lookup_slot): Delete.
2882 * cpphash.h: Update prototypes.
2884 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
2886 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
2887 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
2888 node here, just fill in the value field properly. "Delete"
2889 entries by setting the value field to T_VOID. Check for
2890 hp->type == T_VOID, not hp == NULL.
2892 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
2893 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
2896 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
2898 * config/mn10300/mn10300.c (print_operand_address): Do not add
2901 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
2902 adjusted by less than 256 bytes, use ret regardless of having any
2903 callee-saved register to restore.
2905 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
2907 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
2909 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
2911 * config/i386/djgpp.h (INT_ASM_OP): Define.
2912 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
2913 (ASM_WEAKEN_LABEL): Define.
2914 (MASK_BNU210): Define.
2915 (SUBTARGET_SWITCHES): Define.
2916 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
2917 (MAKE_DECL_ONE_ONLY): Define.
2918 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
2920 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
2922 * i386/cygwin.h (INT_ASM_OP): Define.
2924 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
2926 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
2927 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
2929 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
2931 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
2932 __tmp_reg__ and __zero_reg__ initialization.
2934 2000-04-30 Richard Henderson <rth@cygnus.com>
2936 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
2938 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
2939 referenced bewteen the condition and the jump. Don't delete
2940 anything but the jump.
2942 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
2944 * bb-reorder.c (scope_def): New struct.
2945 (scope_forest_info): New struct.
2946 (struct reorder_block_def): New member "scope".
2947 (REORDER_BLOCK_SCOPE): New macro.
2948 (relate_bbs_with_scopes): New function and prototype.
2949 (make_new_scope): Likewise.
2950 (build_scope_forest): Likewise.
2951 (remove_scope_notes): Likewise.
2952 (insert_intra_1): Likewise.
2953 (insert_intra_bb_scope_notes): Likewise.
2954 (insert_inter_bb_scope_notes): Likewise.
2955 (rebuild_scope_notes): Likewise.
2956 (free_scope_forest_1): Likewise.
2957 (free_scope_forest): Likewise.
2958 (dump_scope_forest): Likewise.
2959 (dump_scope_forest_1): Likewise.
2960 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
2961 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
2963 (reorder_basic_blocks): Added calls to build_scope_scope_forest
2964 and remove_scope_notes before reordering is done. Added calls to
2965 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
2966 after reordering is done.
2968 2000-40-30 Bruce Korb <bkorb@gnu.org>
2970 * fixinc/inclhack.def: Added definitions needed by OSR5,
2971 removed two stale entries (defined away with OLD_CPP).
2972 * fixinc/inclhack.sh: regen
2973 * fixinc/fixincl.x: regen
2975 2000-04-30 Richard Henderson <rth@cygnus.com>
2977 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
2978 from the last insn in the sequence.
2980 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
2982 * cpplex.c (cpp_idcmp): New function.
2983 * cpplib.h: Prototype it.
2984 * scan_decls.c (scan_decls): Use it to inspect token names.
2985 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
2986 the file being run through the preprocessor.
2987 (check_macro_names): Provide length of token to cpp_defined.
2989 * Makefile.in: Remove stale warning message.
2991 * cppfiles.c (redundant_include_p): Provide length of token to
2993 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
2994 values are unsigned int.
2995 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
2996 (_cpp_lookup_slot): Do not calculate the hash, either.
2997 * cpphash.h: Update prototypes.
2998 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
2999 Hashes are unsigned int. Calculate hash here, pass by value
3000 to _cpp_lookup_slot.
3002 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3004 * simplify-rtx.c (check_value_useless): Delete function.
3005 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3007 (cselib_invalidate_regno): Likewise.
3008 (cselib_invalidate_mem_1): Likewise.
3009 (references_value_p): Recognize useless values by the fact that they
3011 (discard_useless_values): Likewise.
3012 (cselib_record_set): This may turn a useless value
3015 2000-04-30 Richard Henderson <rth@cygnus.com>
3017 * config/d30v: New port.
3019 * configure.in (d30v-*): Set fp format.
3020 * configure: Rebuild.
3022 2000-04-30 Richard Henderson <rth@cygnus.com>
3024 * ifcvt.c: New file.
3025 * Makefile.in (OBJS): Add it.
3026 (ifcvt.o): New target.
3027 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3028 and conditional arithmetic.
3029 (find_insert_position): Remove.
3030 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3031 * toplev.c (DFI_ce, DFI_ce2): New.
3032 (dump_file): Add ce and ce2 dumps.
3033 (rest_of_compilation): Run if_convert a couple o times. Set
3034 cse_not_expected after cse2. Don't set no_new_pseudos until
3035 after sched1 or recompute_reg_usage.
3037 2000-04-30 Richard Henderson <rth@cygnus.com>
3039 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3040 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3042 2000-04-30 Richard Henderson <rth@cygnus.com>
3044 * flow.c (struct reg_cond_life_info): New.
3045 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3046 (init_propagate_block_info): Initialize them.
3047 (free_propagate_block_info): Destruct them.
3048 (mark_set_1): Consider conditional life before killing a register.
3049 (mark_regno_cond_dead): New.
3050 (free_reg_cond_life_info): New.
3051 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3052 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3053 (mark_used_reg): Record conditional life.
3055 * haifa-sched.c (schedule_insns): Disable death counting
3056 sanity check for HAVE_conditional_execution.
3058 2000-04-30 Richard Henderson <rth@cygnus.com>
3060 * Makefile.in (TIMEVAR_H): New.
3061 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3062 (timevar.h): Remove rule.
3064 2000-04-29 Richard Henderson <rth@cygnus.com>
3066 * config/alpha/crtend.asm: Use C comments instead of #.
3067 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3069 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3071 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3073 * cpphash.h (enum node_type: Take out T_MCONST.
3074 (union hashval): Move into struct hashnode.
3075 (struct hashnode): Pack tighter. Remove file, line, col
3077 * cpphash.c: Constify most of the macro-definition structures.
3078 (struct definition): Replace by struct object_defn
3079 and struct funct_defn. Put file, line, column information
3080 here. All users updated to match.
3081 (_cpp_create_definition, _cpp_macroexpand): Remove special
3082 case for #define WORD OTHERWORD.
3083 * cpplib.c (do_undef): Remove T_MCONST case.
3085 * cpphash.h: Move struct reflist, struct definition, and the
3086 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3087 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3088 * cpphash.c (_cpp_free_definition): Free data pointed to by
3089 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3090 (_cpp_create_definition, del_HASHNODE): Just call
3091 _cpp_free_definition to clear out a hashnode.
3092 * cpplib.c (do_pragma_poison): Likewise.
3094 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3096 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3097 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3098 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3099 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3100 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3101 REGNO_AM33_P): Redefine in terms of the new macros.
3102 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3103 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3104 STRUCT_VALUE): Likewise.
3105 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3106 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3108 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3110 * regmove.c (struct record_stack_memrefs_data): New.
3111 (record_stack_memrefs): New function.
3112 (combine_stack_adjustments_for_block): Use it.
3114 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3116 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3117 use special_function_p to detect alloca.
3119 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3121 * gcc.texi: Fixes for makeinfo 4.0 --html.
3123 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3125 * pcp.h: Delete file.
3127 2000-04-28 Kazu Hirata <kazu@hxi.com>
3129 * h8300.c (function_epilogue): Clean up flags when the last insn
3130 in a function is a barrier.
3132 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3134 * configure.in (sparc-hal-solaris2*): protect [] glob from
3136 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3137 rather than hard-coded constants in target_cpu_default2.
3138 * configure: Regenerate.
3140 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3142 * tree.c (get_callee_fndecl): Extract the initial value from
3145 2000-04-28 Richard Henderson <rth@cygnus.com>
3147 * varasm.c (record_constant_1): Record the CODE_LABEL when
3148 taking the address of a LABEL_REF.
3150 2000-04-28 Richard Henderson <rth@cygnus.com>
3151 Jan Hubicka <jh@suse.cz>
3153 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3154 adjustment; don't do the stack adjust.
3155 (expand_call): Call compute_argument_block_size right before
3156 allocating the block; update comment; don't do alignment sanity
3157 checking for sibling call; use args_size instead of
3158 unadjusted_args_size before args_size is adjusted. Use
3159 combine_pending_stack_adjustment_and_call to compute stack adjust
3160 for must_preallocate case.
3162 * expr.c (push_block): Remove shadow `temp' in inner scope.
3164 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3166 * toplev.c (rest_of_compilation): Call
3167 note_deferral_of_defined_inline_function even if the function
3170 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3172 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3174 2000-04-28 Richard Henderson <rth@cygnus.com>
3176 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3178 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3180 * timevar.c (init_timevar): DeANSIfy function definition.
3182 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3184 * Makefile.in (timevar.o): Depend on flags.h.
3185 * timevar.c (unused_stack_instances): New variable.
3186 (timevar_push): Take a timevar_stack_def from
3187 unused_stack_instances if available.
3188 (timevar_pop): Push the popped timevar_stack_def onto
3189 unused_stack_instances.
3190 (TIMEVAR_ENABLE): New macro.
3191 (timevar_def): Make standalone a 1-bit field. Add field used.
3192 (get_time): Rename parameter to now. Return after clearing it if
3194 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3195 (timevar_pop): Likewise.
3196 (timevar_stop): Likewise.
3197 (timevar_push): Likewise. Mark the timing variable as used.
3198 (timevar_start): Likewise.
3199 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3200 timevars that were never used.
3202 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3204 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3205 always TREE_READONLY.
3207 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3209 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3210 for call instruction with mode QImode.
3212 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3214 * Makefile.in (OBJS): Add timevar.o.
3215 (toplev.o): Depend on timevar.h.
3216 (ggc-simple.o): Likewise.
3217 (ggc-page.o): Likewise.
3218 (timevar.o): New rule.
3219 (timevar.h): New rule.
3221 * timevar.h: New file.
3222 * timevar.c: Likewise.
3223 * timevar.def: Likewise.
3225 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3226 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3228 (TIMEVAR): Remove macro.
3229 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3230 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3231 flow_time, combine_time, regmove_time, sched_time,
3232 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3233 sched2_time, dbr_sched_time, reorder_blocks_time,
3234 rename_registers_time, shorten_branch_time, stack_reg_time,
3235 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3237 (compile_file): Don't initialize time variables. Call
3238 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3239 of many calls to print_time.
3240 (rest_of_compilation): Add timing for reload_cse_regs.
3241 (get_run_time): Removed to timevar.c.
3242 (print_time): Likewise.
3243 (get_run_time): Implement using TV_TOTAL time variable.
3244 (print_time): Get total run time from get_run_time.
3245 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3246 computing elapsed time explicitly.
3247 * ggc-simple.c (ggc_collect): Likewise.
3248 (gc_time): Remove declaration.
3250 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3252 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3253 (expand_call): Use it.
3255 2000-04-27 Jan Hubicka <jh@suse.cz>
3257 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3260 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3262 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3265 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3267 * function.c (epilogue_done): Pass whole insn to record_insns.
3269 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3271 * cse.c (CSE_ADDRESS_COST): Remove.
3272 (find_best_addr): Add new parameter "MODE", use address_cost instead
3274 (address_cost): New.
3275 (fold_rtx): Update call of find_best_addr.
3276 * rtl.h (address_cost): Declare.
3277 * loop.c (general_induction_var): Add new parameter "MODE", use
3278 address_cost instead of ADDRESS_COST
3279 (init_loop): Use address_cost instead of ADDRESS_COST.
3280 (check_insn_for_givs): Update call of general_induction_var.
3281 (find_mem_givs): Likewise.
3282 (consec_sets_giv): Likewise.
3283 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3284 * i386.c (ix86_address_cost): New.
3285 * i386-protos.h (ix86_address_cost): Declare.
3287 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3289 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3292 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3294 * expr.c (store_expr): Use clear_storage instead of direct memset
3297 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3299 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3300 ASHIFT, AND and LABEL_REF.
3302 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3304 * invoke.texi (-foptimize-sibling-calls): Fix.
3306 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3308 * loop.c (load_mems) Don't use hard registers for the hoisting.
3310 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3311 calculation; rename const_equiv array in the preconditioning code
3312 from loop_unroll to loop_unroll_precondition
3314 2000-04-27 Richard Henderson <rth@cygnus.com>
3316 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3318 (propagate_one_insn): Clear it. Don't update reg_live here.
3319 (init_propagate_block_info): Update for pbi member changes.
3320 (free_propagate_block_info): Likewise.
3321 (mark_set_1): Know that zero_extract, sign_extract, and
3322 strict_low_part don't kill their argument. Alter hard subregs.
3323 Update new_set for non-CLOBBER sets. Update reg_live.
3324 (find_auto_inc): Update reg_live, not new_dead.
3325 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3326 to determine if the reg in question was set this insn. Only update
3327 reg info with PROP_REG_INFO.
3329 2000-04-26 Richard Henderson <rth@cygnus.com>
3331 * flow.c (allocate_reg_life_data): Set max_regno here ...
3332 (life_analysis): ... not here.
3334 * flow.c (calculate_global_regs_live): Force stack pointer
3337 2000-04-26 Richard Henderson <rth@cygnus.com>
3339 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3340 commit change group changes.
3341 (invert_exp_1): Similarly.
3342 (redirect_exp, invert_exp): Use them.
3343 (redirect_jump_1): New.
3344 (invert_jump_1): New.
3345 (jump_optimize_1): Remove code subsumed by condexec.c.
3346 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3348 2000-04-26 Richard Henderson <rth@cygnus.com>
3350 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3352 * genconfig.c (main): Set all HAVE_foo to 1.
3354 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3356 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3358 * invoke.texi: Document -fssa flag.
3360 2000-04-26 Richard Henderson <rth@cygnus.com>
3362 * flow.c (count_reg_sets_1): Remove.
3363 (count_reg_sets, count_reg_references): Remove.
3364 (recompute_reg_usage): Implement with update_life_info.
3365 Reallocate life data.
3367 2000-04-26 Richard Henderson <rth@cygnus.com>
3369 * flow.c (update_life_info): Consider blocks null to mean the
3371 (calculate_global_regs_live): Likewise.
3372 (life_analysis): Do that instead of collecting all_blocks.
3374 2000-04-26 Richard Henderson <rth@cygnus.com>
3376 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3377 a still-valid conditional jump.
3379 2000-04-26 Richard Henderson <rth@cygnus.com>
3381 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3383 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3384 * flow.c (calculate_loop_depth): Remove.
3385 * output.h (calculate_loop_depth): Don't declare.
3386 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3387 inline; run estimate_probability at the same time.
3389 2000-04-26 Neil Booth <NeilB@earthling.net>
3391 * cpplib.h: "~=" is not a single pp-token.
3392 * cpplex.c: Correct commentary.
3394 2000-04-26 Richard Henderson <rth@cygnus.com>
3396 * flow.c (mark_set_1): New arguments code and flags; update all
3397 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3398 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3399 loop_depth when optimizing for size. Do new_dead update after
3400 emitting REG_UNUSED notes. Merge mark_set_reg code.
3401 (mark_set_reg): Remove.
3402 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3403 arrange to not emit REG_UNUSED notes.
3405 2000-04-26 Richard Henderson <rth@cygnus.com>
3407 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3408 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3410 2000-04-26 Richard Henderson <rth@cygnus.com>
3412 * flow.c (propagate_one_insn): Break out from propagate_block.
3413 (init_propagate_block_info): Likewise.
3414 (free_propagate_block_info): Likewise.
3415 (propagate_block): Use them. Export.
3416 * basic-block.h: Declare them all.
3418 2000-04-26 Richard Henderson <rth@cygnus.com>
3420 * basic-block.h (life_analysis): Declare here ...
3421 * output.h: ... not here.
3422 * flow.c (life_analysis): Remove nregs parameter; replace
3423 remove_dead_code with flags. Remove ssa dead code check.
3424 Only init alias analysis if we'll use it.
3425 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3426 * ssa.c (convert_to_ssa): Likewise.
3427 (convert_from_ssa): Likewise.
3428 * toplev.c (rest_of_compilation): Likewise.
3430 2000-04-26 Richard Henderson <rth@cygnus.com>
3432 * flow.c (flow_delete_block): Rename from delete_block. Export.
3433 * basic-block.h (flow_delete_block): Declare.
3435 2000-04-26 David S. Miller <davem@redhat.com>
3437 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3438 taking a PATTERN of it.
3440 2000-04-26 <NeilB@earthling.net>
3442 * cpplex.c (spell_other, spell_char): Remove.
3444 (token_spelling, trigraph_map): Use unsigned chars.
3445 (_cpp_lex_line): Tidy up the switch statement.
3446 * cpplib.h: Implement spell_char with spell_string.
3449 2000-04-26 <RodneyBrown@pmsc.com>
3451 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3452 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3454 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3456 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3457 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3458 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3459 dwarf2out_return_save, dwarf2out_return_reg,
3460 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3461 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3462 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3464 * dwarf2out.h (dwarf2out_init): Likewise.
3466 * dwarfout.c (filename_entry, primary_filename, last_filename,
3467 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3469 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3470 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3471 dwarf2out_return_reg): Likewise.
3473 2000-04-26 Andreas Jaeger <aj@suse.de>
3475 * extend.texi (Function Attributes): Fix description of pure
3478 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3480 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3481 before calling rest_of_compilation.
3483 2000-04-26 Andreas Jaeger <aj@suse.de>
3485 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3488 2000-04-25 Richard Henderson <rth@cygnus.com>
3490 * cse.c (cse_insn): Emit barrier after unconditional jump.
3492 * calls.c (expand_call): Disable tail call generation once
3493 rtx_equal_function_value_matters is false.
3495 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3498 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3500 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3502 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3504 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3505 is the primary DIE for a member function.
3506 (gen_decl_die): Call set_decl_origin_self here.
3507 * dwarfout.c (output_decl): And here.
3508 * integrate.c (output_inline_function): Not here.
3509 Don't clear DECL_INLINE until after calling rest_of_compilation.
3510 (set_decl_origin_self): No longer static.
3511 * tree.h: Add prototype.
3512 * toplev.c (note_deferral_of_defined_inline_function): Only write
3513 out abstract instance for actual inlines.
3515 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3517 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3518 EXTENDED_REGS only if TARGET_AM33.
3519 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3520 SP_REGS to register allocation and reloading unless absolutely
3522 (movsi3): Remove special-case of adding non-constants to SP.
3524 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3526 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3527 INCLUDES to search and does not provide any of its own. Also it
3528 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3529 parameters. Also it does not call AC_DEFINE.
3530 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3531 AC_DEFINE and provides for automatic entries for autoheader.
3532 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3534 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3535 so we can pass -I flags and include gansidecl.h/system.h in this
3538 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3540 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3542 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3543 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3544 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3546 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3547 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3548 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3549 for these macros. Clean up spacing and linewraps.
3551 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3553 * calls.c (expand_call): Use get_callee_fndecl.
3555 * print-tree.c (print_node): Print the chain of an _EXPR.
3557 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3558 Jim Wilson <wilson@cygnus.com>
3559 Andrew Haley <aph@cygnus.com>
3561 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3562 and gp save/restore problems.
3563 * config/ia64/crtend.asm: Add IA-64 unwind support.
3564 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3565 in fr_pad_size calculation.
3566 (save_restore_insns): Move PR save area. Correct uses of
3567 RTX_FRAME_RELATED_P.
3568 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3569 (ia64_expand_epilogue): Add eh_epilogue support.
3570 (ia64_function_prologue): Emit .prologue directive.
3571 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3572 (ia64_override_options): Set init_machine_status and
3573 mark_machine_status.
3574 (rtx_needs_barrier): Handle bsp reads and writes.
3575 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3576 New static variables.
3577 (process_set, process_for_unwind_directive): New functions.
3578 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3579 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3580 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3582 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3583 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3584 (struct machine_function): Define.
3585 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3587 2000-04-25 Bruce Korb <bkorb@gnu.org>
3589 * fixinc/Makefile.in: make the removal of old programs more
3591 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3592 install-bin and install-sh
3594 2000-04-25 Nick Clifton <nickc@cygnus.com>
3596 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3597 defined, define to return zero.
3598 (function_cannot_inline_p): If a function has any target
3599 specific attributes, then use the macro
3600 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3601 whether it can be inlined. If it cannot, issue a suitable
3604 * tm.texi: Add a new node 'Inlining' to document the new macro
3605 FUNCTION_ATTRIBUTE_INLINABLE_P.
3607 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3609 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3612 2000-04-25 Neil Booth <NeilB@earthling.net>
3614 Restore previous patch, plus the following fixes:
3616 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3617 flags, not CPP_OPEN_PAREN.
3618 * cpplex.c (expand_token_space, init_token_list,
3619 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3620 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3622 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3624 * config/i386/freebsd.h (INT_ASM_OP): Define.
3626 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3628 * loop.c (strength_reduce): Fix typo in the last checkin.
3630 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3632 * stor-layout.c (finalize_record_size): Simplify to use existing
3634 (compute_record_mode): No longer static.
3635 * tree.h (compute_record_mode): New declaration.
3637 2000-04-25 Neil Booth <NeilB@earthling.net>
3639 * Revert my patch below until cause of build failures
3642 2000-04-25 Richard Henderson <rth@cygnus.com>
3644 * combine.c (combine_instructions): Add missing argument
3647 * toplev.c (rest_of_compilation): Delay sibcall optimization
3648 until after emit_eh_context.
3650 2000-04-24 Nick Clifton <nickc@redhat.com>
3652 * combine.c (combine_instructions): Do not try to combine a
3653 sequence of insns when the second insn has been replaced by a
3656 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3658 * gcc.c (load_specs): New static function.
3659 (read_specs): Use it.
3661 * gcc.c (lookup_compiler): Make multiple passes for case
3662 insensitive filesystems.
3664 2000-04-24 Neil Booth <NeilB@earthling.net>
3666 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3667 * cpphash.h (_cpp_check_directive): new.
3668 * cpplex.c (handle_newline, cpp_free_token_list,
3669 init_trigraph_map, trigraph_ok, trigraph_replace,
3670 backslash_start, skip_block_comment, skip_line_comment,
3671 skip_whitespace, parse_name, parse_number, parse_string,
3672 copy_comment, _cpp_lex_line, spell_char, spell_string,
3673 spell_comment, spell_name, spell_other, _cpp_lex_file,
3674 _cpp_output_list): new.
3675 (expand_name_space): take length argument.
3676 (init_token_list): add comment list initialisation.
3677 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3678 instead of HSPACE_BEFORE.
3680 * cpplib.c (_cpp_check_directive): new
3681 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3682 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3683 (HSPACE_BEFORE): delete.
3684 (TTYPE_TABLE): rearrange.
3685 (struct cpp_toklist): update.
3687 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3689 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3690 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3691 argument form of AC_DEFINE.
3693 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3694 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3695 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3696 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3697 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3699 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3701 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3703 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3704 deduced.h): Use -isystem, not -I, for including system headers.
3706 2000-04-24 Nick Clifton <nickc@cygnus.com>
3708 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3709 the source register is the frame pointer or arg pointer.
3710 (addsi3_small_int): Disallow if source register is the frame
3711 pointer or arg pointer.
3713 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3715 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3716 call to AC_MSG_RESULT.
3718 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3720 * invoke.texi: Correct grammatical errors, document
3721 -fno-gnu-keywords as identical to -fno-asm for C++.
3723 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3725 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3726 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3727 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3728 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3729 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3731 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3732 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3733 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3734 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3737 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3739 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3740 (pop_alignment): Likewise.
3741 (handle_pragma_token): Likewise.
3743 2000-04-24 Robert Lipe <robertlipe@usa.net>
3745 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3747 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3749 * combine.c (try_combine): Update reg_nonzero_bits of
3750 newi2pat before newpat.
3752 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3754 * loop.c (strength_reduce): Simplify test to INSN_P.
3755 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3756 expressions instead of CONST_INT.
3757 (express_from_1): Likewise.
3759 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3761 * regs.h (reg_n_max): Don't declare.
3762 * flow.c (reg_n_max): Don't define.
3763 * regclass.c (renumber): Don't initialize to zero.
3764 (regno_allocated): Likewise.
3765 (reg_n_max): Define.
3766 (allocate_reg_info): Don't initialize unnecessarily.
3768 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3770 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3771 and blockage_p in the newly allocated attribute.
3773 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3775 * config/mn10300/mn10300.md (addsi): `inc4' on address
3776 registers does not modify cc, but `inc' on an extended
3779 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3781 * reload.c (find_equiv_reg): Checks all valueno regs
3782 as a reload_reg_p regs.
3784 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3786 * cpphash.c (collect_objlike_expansion): Add sanity check.
3787 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3788 the buffer is the empty string, return. Mark __DATE__ and
3789 __TIME__ as XCONST nodes, not MCONST.
3790 (_cpp_macroexpand): Avoid pushing an empty buffer.
3791 (funlike_macroexpand): Don't pop token_buffer here.
3793 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3795 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3796 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3797 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3798 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3799 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3800 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3801 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3803 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3805 * loop.c (simplify_giv_expr): Be more agressive on simplifying
3808 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3810 * cpphash.h (struct definition): Move file, line, col members...
3811 (struct hashnode): ... here. Also add 'disabled' flag.
3812 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
3813 T_IDENTITY. Remove T_DISABLED.
3816 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
3817 (collect_expansion): Split into collect_objlike_expansion and
3818 collect_funlike_expansion.
3819 (_cpp_macroexpand): Split out scan_arguments, stringify, and
3820 funlike_macroexpand.
3821 (_cpp_compare_defs): Rename compare_defs, make static.
3822 (_cpp_make_hashnode): Initialize hp->disabled.
3823 (macro_cleanup): Adjust for new token types. Clear
3825 (_cpp_create_definition): Move code here to determine what
3826 sort of macro it is, and code to check for redefinitions, from
3827 do_define. Implement a few simple cases without creating a
3829 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
3830 Handle the simple cases.
3831 (push_macro_expansion): Set buf->has_escapes and hp->disabled
3834 * cppinit.c (builtin_array): Change MCONST to XCONST
3836 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
3837 fix check for disabled and function-like macros.
3838 * cpplib.c (do_define): Move most logic to
3839 _cpp_create_definition.
3840 (do_undef): Handle new special token types.
3842 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
3844 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
3845 of CONSTANT_P for mult_val; always use validate_change to update insn.
3847 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
3849 * cpphash.c (trad_stringify, add_pat): New functions.
3850 (collect_expansion): Restore support for -traditional syntax.
3851 Use trad_stringify and add_pat.
3852 (_cpp_macroexpand): Restore support for -traditional semantics.
3853 * cpplex.c (_cpp_scan_line): Don't change space_before if we
3854 get a COMMENT token.
3855 (_cpp_lex_token): Provide COMMENT tokens to caller if
3856 traditional and parsing_define_directive.
3857 (skip_comment): Warn about // comments if -Wtraditional.
3858 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
3860 (do_undef): Don't warn about undefining EMPTY nodes.
3862 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
3864 * loop.c (strength_reduce): Fix biv removal code.
3866 2000-04-22 Richard Henderson <rth@cygnus.com>
3868 * predict.c (estimate_probability): Examine both sides of
3869 a branch for no exits. Use 90% not 50% for predict taken.
3870 Reorg for one copy of note generation code.
3872 2000-04-22 Richard Henderson <rth@cygnus.com>
3874 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
3876 2000-04-22 Richard Henderson <rth@cygnus.com>
3878 * diagnostic.c (init_output_buffer): Don't initialize format_args.
3879 (output_clear): Likewise.
3880 (output_printf): Use va_copy.
3881 (vline_wrapper_message_with_location): Likewise.
3882 (v_message_with_decl): Likewise.
3883 (line_wrapper_printf): VA_START infor buffer.format_args directly.
3884 * system.h (va_copy): Provide default implementation.
3886 2000-04-22 Richard Henderson <rth@cygnus.com>
3888 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
3889 the collected condition is not a constant.
3891 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
3893 * diagnostic.h: New file.
3895 * Makefile.in (diagnostic.o): Depends on diagnostic.h
3897 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
3898 various function prototypes.
3899 (diagnostic.h): #include.
3900 (struct output_buffer): Move into diagnostic.h.
3901 (get_output_prefix): Rename to output_get_prefix. Export.
3902 (init_output_buffer): Export. Break out. Ajust intialization.
3903 (output_space_left, output_append): Export.
3904 (output_newline): Rename to output_add_newline. Export.
3905 (output_clear): Nullify additional output_buffer fields.
3906 (output_puts): Rename to output_add_string. Export.
3907 (dump_output): Rename to output_flush_on. Export.
3908 (build_location_prefix): Constify return-type.
3909 (emit_output_prefix): Rename to output_emit_prefix. Export.
3910 (set_real_maximum_length): New function.
3911 (output_set_maximum_length): Ditto
3912 (output_clear): Ditto.
3913 (output_add_character): Ditto.
3914 (output_add_integer): Ditto.
3915 (output_add_space): Ditto.
3916 (output_format): Ditto.
3917 (output_printf): Adjust buffer initialization.
3918 (vline_wrapper_message_with_location): Ditto.
3919 (v_message_with_decl): Ditto. Adjust call to output_puts
3920 and get_output_prefix.
3921 (default_print_error_function): Adjust buffer intialization.
3923 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3925 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
3928 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
3930 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
3933 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3935 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
3936 accurate data about SP moves.
3938 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
3940 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
3941 aliases to AM33 registers.
3943 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3945 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
3946 to all EXTENDED bitmaps.
3948 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
3950 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
3951 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
3952 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
3954 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
3956 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
3957 the operand is not constant.
3959 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
3961 * reload.c (find_equiv_reg): Checks all valueno and regno regs
3962 as a call-clobbered regs.
3964 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3966 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
3968 * rtl.def: Update comment.
3969 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
3970 * integrate.c (expand_inline_function): Likewise.
3971 * profile.c (branch_prob): Likewise.
3972 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
3973 * print-rtl.c (print_rtx): Likewise.
3974 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
3975 (reemit_notes): Likewise; also use enum insn_note.
3977 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
3978 (place_field): Properly compute know and actual alignment.
3980 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
3983 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
3986 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
3988 * cpphash.c (struct arg, struct arglist): Const-ify strings.
3989 (warn_trad_stringify, duplicate_arg_p): New helper functions.
3990 (collect_expansion): Rewrite to scan over a token list.
3991 Remove -traditional support.
3992 (collect_formal_parameters): Rename to collect_params; rewrite
3993 to scan over a token list.
3994 (_cpp_create_definition): Adjust to scan a token list.
3995 (_cpp_macroexpand): Remove -traditional support.
3996 (_cpp_compare_defs): Whitespace is now canonicalized.
3997 (comp_def_part): Delete function.
3999 * cpphash.h: Update prototypes.
4000 * cpplex.c (init_token_list): Don't set lineno if there is no
4002 (pedantic_whitespace): New function.
4003 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4004 consume a newline. Use pedantic_whitespace.
4005 (_cpp_lex_token): Remove support for -traditional macros.
4006 (_cpp_get_define_token): Delete.
4007 (_cpp_get_directive_token): Do the real work here. Use
4008 pedantic_whitespace.
4009 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4011 * cpplib.c (get_macro_name): Delete.
4012 (do_define): Read the entire line into pfile->directbuf, then
4013 feed the token list to _cpp_create_definition.
4014 * cpplib.h (HSPACE_BEFORE): new define.
4015 (struct cpp_reader): Add a toklist member, "directbuf".
4017 * predict.c (estimate_probability): New heuristic: if a jump
4018 branches around a block with no successors, predict it taken.
4019 Disentangle control flow.
4021 2000-04-20 Richard Henderson <rth@cygnus.com>
4023 * loop.c (emit_iv_add_mult): Revert last change.
4025 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4027 * cpplib.h (enum cpp_ttype): Add token types for all
4028 punctuators. Distinguish pp-numbers from valid C numbers.
4029 Give some tokens better names. Initialize from macro.
4030 (struct cpp_name, cpp_token, cpp_toklist): New data
4033 * cpplex.c (bump_column, expand_name_space,
4034 expand_token_space, init_token_list, cpp_output_list,
4035 _cpp_scan_line): New functions.
4036 (output_line_command): Add third argument, new line number.
4037 * cpphash.h: Update prototypes.
4038 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4041 2000-04-20 Richard Henderson <rth@cygnus.com>
4043 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4045 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4047 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4050 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4052 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4053 REG_EQUAL note explaining the calculated value.
4055 * calls.c (expand_call): Avoid unnecesary precalculation
4056 and outgoing parameters space guarding for sibling calls.
4057 (store_one_arg): Likewise.
4059 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4061 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4062 (rest_of_compilation): Write sibling dump file and account
4063 for time as jump time.
4064 * invoke.texi: Update documentation on dump flags.
4066 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4068 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4070 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4072 * cpphash.c (special_symbol): Represent an empty macro with
4073 "\r \r " not just "\r ".
4074 (_cpp_macroexpand): Correct condition for the foo ( ) special
4076 (unsafe_chars): Handle EOF as second argument.
4077 (push_macro_expansion): Simplify test for removing escape at
4078 end. Do not trim both escapes if there is no text in between.
4080 2000-04-19 Jim Blandy <jimb@redhat.com>
4082 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4083 of PTR_SIZE, when appropriate.
4085 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4087 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4088 (USE_ENUM_BITFIELDS): Fix typo.
4090 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4092 * stor-layout.c (place_field): Set rli->offset_align properly.
4094 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4096 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4097 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4098 PARM_BOUNDARY): Remove unnecessary casts.
4100 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4102 * calls.c (precompute_arguments): Remove must_preallocate and
4104 (expand_call): Update call of precompute_arguments.
4106 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4107 check_insn_for_givs): Break out from ...
4108 (strength_reduce) ... here; use for_every_insn_in_loop to call
4109 check_insn_for_givs.
4110 * loop.h (for_every_insn_in_loop): Declare.
4111 (loop_insn_callback): New type.
4113 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4115 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4118 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4120 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4123 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4125 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4127 * configure.in: Delete --disable-cpplib option and all
4128 references to cpp_main.
4129 * configure: Regenerate.
4130 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4131 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4132 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4133 cpp$(exeext). Add --no-headers to makeinfo command line when
4134 generating INSTALL. Install and uninstall cpp.1 manpage, not
4136 * install.texi: Delete all references to cexp.y/cexp.c.
4137 Delete ancient instructions for compiling GCC on 3b1.
4138 * INSTALL: Regenerate.
4140 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4141 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4142 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4144 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4145 which is no longer tested anywhere.
4147 * cppinit.c (handle_option): Don't run error message through
4150 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4152 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4153 * cpperror.c (hashtab.h): Now include.
4154 * cppexp.c (hashtab.h): Likewise.
4155 * cpplex.c (hashtab.h): Likewise.
4156 * cppfiles.c (hashtab.h): Likewise.
4157 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4158 to htab_find_slot_with_hash.
4159 * cpphash.c (hashtab.h): Now include.
4160 (_cpp_lookup_slot): INSERT is now enum insert_option.
4161 * cpphash.h (_cpp_lookup_slot): Likewise.
4162 * cppinit.c (hashtab.h): Include earlier.
4163 (initialize_builtins): Pass enum to htab_find_slot.
4164 * cpplib.c (hashtab.h): Now include.
4165 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4166 (do_pragma_poison, do_assert): Likewise.
4167 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4168 htab_find_slot_with_hash.
4169 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4170 * tree.c (type_hash_add): Likewise.
4171 (build1): Minor cleanup.
4173 * ggc-common.c: Add missing blanks.
4174 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4175 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4177 * stmt.c (mark_case_node): New function.
4178 (mark_case_nesting): Call it.
4180 * expmed.c (emit_store_flag): If comparing two-word integer
4181 with zero, can optimize NE, EQ, GE, and LT.
4183 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4184 * conflict.c: Minor cleanups.
4185 * optabs.c: Add blank line
4186 * simplify-rtx.c: Minor cleanups.
4188 2000-04-18 Stan Cox <scox@cygnus.com>
4190 * gengenrtl.c (genlegend): Fix misspelling.
4192 2000-04-18 Robert Lipe <robertlipe@usa.net>
4194 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4195 bitfields of the host compiler are not signed quantities.
4196 * config.in: Regenerate.
4197 * configure: Regenerate.
4198 * system.h (USE_ENUM_BITFIELDS): Added.
4199 (ENUM_BITFIELDS): Added.
4200 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4201 (SHORT_ENUM_BUG): Deleted.
4202 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4204 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4205 (CODE_FIELD_BUG): Likewise.
4206 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4208 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4210 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4212 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4215 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4217 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4218 * cpplib.c (do_include, do_import, do_include_next,
4219 read_line_number, detect_if_not_defined): Likewise.
4220 * cpphash.c (collect_expansion): Likewise.
4221 (special_symbol, _cpp_macroexpand): Check return from
4223 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4224 macros. Delete all uses.
4226 * gcc.dg/cpp-mi.c: Add two more test cases.
4227 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4229 2000-04-17 Richard Henderson <rth@cygnus.com>
4231 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4232 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4234 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4236 * function.c (expand_function_start): Use hard_function_value to
4237 compute the RTL to use for DECL_RESULT.
4239 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4241 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4242 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4243 x86_memory_mismatch_stall): New global variables.
4244 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4245 alloved; fix load penalties for Athlon.
4246 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4247 x86_memory_mismatch_stall): Declare.
4248 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4249 TARGET_MEMORY_MISMATCH_STALL): New.
4250 * i386.md (athlon scheduling parameters): Fix latencies according to
4251 Athlon Optimization Manual.
4252 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4254 (fsqrt instruction patterns): Set athlon_decode to direct.
4255 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4256 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4257 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4258 and TARGET_PARTIAL_REGISTER_STALL machines.
4259 (pushdf_nointeger): New pattern.
4260 (pushdf_integer): Rename from pushdf.
4261 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4262 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4264 2000-04-17 Richard Henderson <rth@cygnus.com>
4266 * loop.c (canonicalize_condition): Add WANT_REG argument.
4267 Stop the search if we match it.
4268 * expr.h (canonicalize_condition): Update decl.
4269 * predict.c (expected_value_to_br_prob): Use it. Track last
4270 expected value note.
4271 (find_expected_value): Remove.
4273 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4275 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4277 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4278 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4280 * configure.in: Call AC_FUNC_MMAP_FILE.
4281 * configure: Regenerate.
4282 * config.in: Regenerate.
4284 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4285 * fixinc/fixincl.c: Likewise.
4287 2000-04-17 Richard Henderson <rth@cygnus.com>
4289 * builtins.c (expand_builtin_expect): New.
4290 (expand_builtin): Call it.
4291 * builtins.def (BUILT_IN_EXPECT): New.
4292 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4293 * extend.texi: Document it.
4295 * predict.c (expected_value_to_br_prob): New.
4296 (find_expected_value): New.
4297 * basic-block.h (expected_value_to_br_prob): Declare.
4298 * toplev.c (rest_of_compilation): Invoke it.
4300 * rtl.h (NOTE_EXPECTED_VALUE): New.
4301 (NOTE_INSN_EXPECTED_VALUE): New.
4302 * rtl.c (note_insn_name): Update.
4303 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4304 cases; handle NOTE_INSN_EXPECTED_VALUE.
4306 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4308 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4309 leaf sibcall delay slot if flag_pic.
4310 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4312 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4314 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4316 * fixproto: If fix-header fails, exit with an error.
4318 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4320 * cse.c (struct check_depdendence_data): New.
4321 (check_dependence): New function.
4322 (invalidate): Use check_depdenence.
4324 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4326 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4327 UNITS_PER_WORD is unsigned.
4329 * tree.h (struct tree_common): Remove misleading comment.
4331 2000-04-16 Dave Pitts <dpitts@cozx.com>
4333 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4334 message in quotes. Otherwise, IBM's make program treats the '#' as the
4335 start of a comment and ignores the remainder of the line.
4337 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4339 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4340 * cexp.y (initialize_random_junk): Likewise.
4341 * cppfiles.c (find_include_file): Cast alloca return value.
4342 * cppinit.c (initialize_standard_includes): Likewise.
4343 * cpplib.c (cpp_define, cpp_undef): Likewise.
4344 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4345 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4346 * fold-const.c (CHARMASK): New.
4347 (real_hex_to_f): Use it.
4348 * real.c (CHARMASK): New.
4349 (etoasc, asctoeg): Use it.
4350 (asctoeg): EBCDIC lower case characters preceed upper case.
4352 * i370.c (mvs_add_label): Change spacing for coding conventions.
4353 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4354 outputing case vectors.
4355 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4356 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4357 since vector in in the data CSECT.
4358 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4359 * i370.md (Many patterns): Put the length in the XL directives.
4360 (movdi): Put back STM and MVC in definition.
4361 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4362 pattern using the TCA.
4363 * oe.h (CPP_SPEC): Added to allow trigraphs.
4364 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4365 not support the "long long" type.
4367 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4369 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4371 (mips_reg_mode_ok_for_base_p): Likewise.
4372 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4373 (REG_OK_FOR_INDEX_P): Define unconditionally.
4374 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4375 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4376 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4377 that GET_MODE_SIZE is unsigned.
4378 (mips_reg_mode_ok_for_base_p): Define.
4379 (mips_legitimate_address_p): Likewise. Adjust now
4380 that GET_MODE_SIZE is unsigned.
4381 (block_move_loop): Make the number of bytes unsigned.
4382 (expand_block_move): Likewise.
4383 (function_arg): Make the loop counter unsigned to match the
4386 2000-04-16 Richard Henderson <rth@cygnus.com>
4388 * rtl.h (enum insn_note): New enumeration. Subsume
4389 NOTE_INSN_DELETED and friends.
4390 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4391 * rtl.c (note_insn_name): Tweak string order.
4393 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4395 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4398 * cpplex.c (output_line_command): Remove debugging prints.
4399 (cpp_output_tokens): Don't write out a zero-length buffer or
4400 try to see if it has a newline in it.
4401 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4402 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4403 the end of the loop. Use memmove. Don't read past the end of
4404 the buffer. Remove trailing newlines from error messages.
4406 2004-04-16 Neil Booth <NeilB@earthling.net>
4408 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4409 * cpplib.c: Add new syntax flags to directive table, and
4412 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4414 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4417 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4419 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4420 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4422 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4424 * Makefile.in (ggc-page.o): Now includes toplev.h.
4425 * ggc-page.c (toplev.h): Now included.
4426 (gc_time): Remove declaration.
4427 (ggc_collect): TIME now long.
4428 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4430 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4432 * toplev.c: Make *_time variable long to reduce chance of overflow.
4433 (TIMEVAR): Likewise for `otime'.
4434 (print_time): Arg is now long; compute percentage in FP and round.
4435 * toplev.h (print_time): Arg is long.
4437 * tree.c: Minor whitespace changes.
4439 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4440 * configure: Rebuilt.
4441 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4442 (__fixunsxfDI): Renamed from __fixunsxfdi.
4443 (__fixunsdfDI): Renamed from __fixunsdfdi.
4444 (__fixunssfDI): Renamed from __fixunssfdi.
4445 (__floatdisf): Use proper type in REP_BIT macro.
4446 (__fixunsxfSI): Renamed from __fixunsxfsi.
4447 (__fixunsdfSI): Renamed from __fixunsdfsi.
4448 (__fixunssfSI): Renamed from __fixunssfsi.
4449 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4450 Change location of macros and upper-case some names as above.
4451 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4452 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4454 * varasm.c (assemble_variable): Add cast to remove warning.
4455 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4457 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4458 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4459 region number to -1.
4461 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4463 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4464 call unshare_all_rtl.
4466 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4468 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4470 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4471 Use .s1 not .s0 for all FP instructions.
4473 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4475 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4477 (safe_fwrite, output_line_command): New static functions.
4478 (cpp_expand_to_buffer): Now private to cpplib.
4479 (cpp_scan_buffer): Take a printer.
4481 * cpphash.h: Update prototypes.
4482 * cpplib.h: Update prototypes.
4484 (cpp_buffer): Remove last_nominal_fname.
4485 (cpp_reader): Remove lineno.
4487 * cppmain.c: Use a cpp_printer.
4488 * fix-header.c: No need to inhibit line commands. Call
4489 cpp_start_read with no printer.
4491 * cpperror.c (cpp_notice_from_errno): Provide default name.
4492 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4493 (find_include_file, cpp_read_file): Use make_IHASH.
4494 (file_cleanup): Set control_macro and clear
4495 input_stack_listing_current here.
4496 (_cpp_execute_include): Don't output entering-file marker.
4497 * cpphash.c (special_symbol): Look for the line number in the
4498 buffer, not the reader.
4499 (_cpp_macroexpand): No need to disable line commands.
4500 (_cpp_dump_definition): No need to generate line commands.
4501 (dump_hash_helper): Remove excess newline from output.
4502 * cppinit.c (dump_special_to_buffer): No need to generate line
4504 (cpp_printer_init): New.
4505 (cpp_start_read): Take a printer, and start it up if it's not
4506 NULL. No need to generate line commands.
4507 (cpp_finish): Expect no buffers stacked at all. Take a
4508 printer argument, and flush the output buffer if it's not
4510 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4511 Don't put two hashes at the beginning of an assertion.
4512 (cpp_get_token): Don't increment pfile->lineno or emit line
4513 commands here. Return EOF if there's no buffer when we get
4515 * cpplib.c (do_define, skip_if_group):
4516 No need to disable line commands.
4517 (_cpp_output_line_command): Delete function.
4518 (do_line): Don't emit line commands here, but set things up so
4519 they will be emitted if necessary. Use _cpp_fake_ihash to
4520 make unique nominal_fnames if necessary.
4521 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4522 with 0 for column, not -1.
4523 (_cpp_handle_eof): Don't set the control macro here. Don't
4524 clear input_stack_listing_current here. Don't emit line
4527 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4529 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4530 always, use the default SVR4 start address.
4532 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4533 (LINK_SHLIB_SPEC): Define.
4534 (LINK_START_DEFAULT_SPEC): Define.
4535 (LINK_OS_DEFAULT_SPEC): Define.
4537 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4539 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4540 __do_global_ctors to handle constructors.
4541 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4542 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4543 (STARTFILE_MVME_SPEC): Likewise.
4544 (STARTFILE_SIM_SPEC): Likewise.
4545 (ENDFILE_ADS_SPEC): Use crtend.
4546 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4547 (ENDFILE_MVME_SPEC): Likewise.
4548 (ENDFILE_SIM_SPEC): Likewise.
4549 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4550 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4551 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4552 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4553 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4554 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4555 (CRTSTUFF_T_CFLAGS_S): Define.
4556 * config/rs6000/eabi-ctors.c: Delete.
4558 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4561 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4565 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4567 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4568 plus mask size is smaller or equal to the mode size.
4570 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4572 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4575 * expr.c (reload.h): Now included.
4576 (emit_block_move): Set volatile_ok when checking for movstr.
4577 (emit_move_1): Check for replacements in addresses in multi-word case.
4578 * Makefile.in (expr.o): Now includes reload.h.
4580 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4581 Never have a LIBCALL end a basic block.
4582 (find_basic_blocks_1): Likewise.
4583 Reorganize CALL_INSN cases.
4585 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4587 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4589 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4590 completers from mov.ret instruction.
4592 2000-04-14 Richard Henderson <rth@cygnus.com>
4594 * fold-const.c (extract_muldiv): Don't distribute and widen
4595 multiply across plus for non-sizetype unsigned types.
4597 2000-04-14 Richard Henderson <rth@cygnus.com>
4599 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4600 If the original source is dead in the incr insn, it's dead now.
4602 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4604 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4605 see if DECL_BIT_FIELD needs to still be set.
4607 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4609 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4610 print_int_cst_octal with something that's not an INTEGER_CST.
4612 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4613 and not a SUBREG to a FLOAT rtl.
4615 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4617 * emit-rtl.c (try_split): Avoid infinite loop if the split
4618 results in a sequence that contains the original insn.
4620 2000-04-13 Andreas Jaeger <aj@suse.de>
4622 * config/mips/mips.c (expand_block_move): Pass alignment
4623 argument to move_by_pieces in bits, not bytes.
4625 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4626 __pic__ for little endian.
4628 2000-04-13 Andreas Jaeger <aj@suse.de>
4630 * config/i386/i386-protos.h: Add prototype for
4631 uno_comparison_operator.
4633 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4635 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4636 * calls.c (ECF_PURE): New flag.
4637 (emit_call_1): Handle ECF_PURE calls.
4638 (initialize_argument_information): Unset ECF_PURE flag too.
4639 (precompute_arguments): Precompute for ECF_PURE too.
4640 (expand_call): Handle ECF_PURE calls too.
4641 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4642 accept value of 2 as pure function.
4643 (emit_library_call_value, emit_library_call): Rename no_queue argument
4645 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4647 * tree.h (DECL_IS_PURE): New macro.
4648 (struct tree_decl): Add pure_flag.
4649 * c-common.c (enum attrs): Add attribute "pure".
4650 (init_attributes): Initialize attribute "pure"
4651 (decl_attributes): Handle attribute "pure".
4652 * extend.texi (Attribute "pure"): Document.
4653 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4655 (flags_from_decl_or_type): Support attribute "pure".
4657 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4659 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4660 the token except for numbers and identifiers.
4662 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4664 * i386.c (ix86_expand_binary_operator,
4665 ix86_expand_unary_operator): Check no_new_pseudos
4666 instead of reload_in_progress and reload_completed.
4667 (ix86_split_ashldi, ix86_split_ashrdi,
4668 ix86_split_lshrdi): Check no_new_pseudos instead
4669 of reload_completed.
4671 2000-04-12 Jeffrey A Law (law@cygnus.com)
4673 * function.c (purge_addressof): Unshare any shared rtl created by
4674 purge_addressof and its children.
4676 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4678 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4681 2000-04-05 Andreas Jaeger <aj@suse.de>
4683 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4684 not compiling PIC code, add flags for mabi=64.
4685 (SUBTARGET_CPP_SIZE_SPEC): New.
4686 (SUBTARGET_CPP_SPEC): New.
4687 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4688 for MIPS/Linux and lots of code needs these defines.
4690 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4692 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4693 trying the "opposite arithmetic" approach.
4695 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4697 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4698 (struct sh_args): Add new field force_mem.
4699 (INIT_CUMULATIVE_ARGS): Initialize it.
4700 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4702 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4704 * calls.c (expand_call): Do not reverse args in "equal from" field.
4705 (emit_library_call_value_1): Emit_libcall_block for const and pure
4708 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4710 * reload1.c (reload_combine): Don't enable optimization for fixed
4711 registers when encountering a BARRIER.
4713 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4715 * builtins.c (expand_builtin_memcmp): Do expansion even with
4716 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4718 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4719 stack is propertly aligned; add sanity checking for aligned
4721 (expand_library_call_value_1): Add sanity checking for aligned
4724 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4726 * calls.c (emit_library_call_value_1): Change 3rd arg to
4727 locate_and_pad_parm to disregard the setting of partial.
4729 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4731 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4733 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4734 CALL_INSN from the normal case.
4736 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4738 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4739 New global variables.
4740 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4742 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4744 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4745 TARGET_ADD_ESP_8): New macros.
4746 * i386.md: Add peep2s to convert esp adjustments to push and pop
4748 (pushsi_prologue, popsi_epilogue): New patterns.
4750 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4752 * real.c (toe64): Remove stale #endif from the last change.
4754 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4756 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4757 * real.c (toe64): Revert previous change.
4759 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4761 * objc/objc-act.c: Include ggc.h.
4762 (objc_tree_index, objc_global_trees): Convert most of the
4763 static tree variables into a static array with previous names
4765 (objc_ellipsis_node): New variable.
4766 (lang_init): Call objc_act_parse_init and c_parse_init.
4767 Create objc_ellipsis_node.
4768 (build_selector_translation_table): Use objc_ellipsis_node instead
4770 (hack_method_prototype): Likewise.
4771 (get_arg_type_list): Likewise.
4772 (start_method_def): Likewise.
4773 (continue_method_def): Likewise.
4774 (gen_method_decl): Likewise.
4775 (ggc_mark_imp_list): New function.
4776 (ggc_mark_hash_table): New function.
4777 (objc_act_parse_init): New function.
4778 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4779 * c-parse.in (c_parse_init): For objc add roots of objc specific
4780 local tree variables.
4781 * objc/objc-parse.y: Rebuilt.
4782 * objc/objc-parse.c: Rebuilt.
4783 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4785 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4787 * cse.c (delete_trivially_dead_insns): Also delete insns
4788 that copy a register to itself where the destination is
4791 2000-04-11 Richard Henderson <rth@cygnus.com>
4793 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4794 (propagate_block): Initialize them. Use them in parallel instead
4795 of one tmp variable, ie revert much of the 0408 and 0407 functional
4796 changes, but keep the structural changes.
4797 (mark_set_regs): Take new_dead from propagate_block_info instead.
4798 (mark_set_1, mark_set_reg): Likewise.
4799 (mark_used_regs): Likewise with new_live.
4800 (mark_used_reg): Likewise. Revert 0408 change.
4802 2000-04-11 Nick Clifton <nickc@cygnus.com>
4804 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4806 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
4808 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4810 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
4811 const section to output a CONSTRUCTOR based on the same conditions
4814 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
4816 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
4817 * pa/pa-protos.h (output_call): Add additional argument indicating
4818 if the call is a sibling/tail call.
4819 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
4820 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
4821 (function_arg, function_arg_partial_nregs): Likewise
4822 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
4823 (emit_move_sequence): Zero extend certain constants as needed
4825 (compute_zdepdi_operands, output_64bit_and): New functions.
4826 (output_64bit_ior, function_arg): Likewise.
4827 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
4828 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
4829 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
4830 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
4831 (output_bvb): Likewise.
4832 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
4833 (output_call): New argument 'sibcall'. Generate sibcall sequences
4835 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
4836 (ouput_arg_descriptor): Do not emit argument descriptors for
4838 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
4840 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
4841 (FUNCTION_OK_FOR_SIBALL): Define.
4842 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
4843 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
4844 (CPP_SPEC): Use new spec infrastructure.
4845 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
4846 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
4847 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
4848 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
4849 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
4850 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
4851 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
4852 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
4853 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
4854 (FUNCTION_ARG); Call out to C code.
4855 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
4856 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
4857 (MIN_UNITS_PER_WORD): Likewise.
4858 * pa/pa.md (cmpdi): New expander.
4859 (scc patterns, movstrsi): Not available for TARGET_64BIT.
4860 (64bit conditional arithmetic): New patterns.
4861 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
4862 (movsicc): Not available if modes on all the operands to not match.
4863 (movdicc): New expander and associated patterns.
4864 (64bit branches): New patterns.
4865 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
4866 (pre_ldd, post_std): New patterns.
4867 (64bit addil, load low part): New patterns.
4868 (special movsf constant): Not available for TARGET_64BIT.
4869 (movsf, movdf expanders): Force constants into memory.
4870 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
4871 (64bit movdf/movdi patterns): New patterns.
4872 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
4874 (extendqidi2, extendhidi2, extendsidi2): Similarly.
4875 (adddi3 expander): Allow "arith_operand" for second input.
4876 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
4877 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
4878 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
4879 (muldi3): New expander for TARGET_64BIT.
4880 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
4882 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
4883 patterns for TARGET_64BIT.
4884 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
4885 patterns for TARGET_64BIT.
4886 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
4887 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
4888 (sibcall_epilogue): New expander.
4889 (casesi): Tweak for TARGET_64BIT.
4890 (call expanders): Set & use the outgoing argument pointer. Use the
4891 64bit call patterns as needed. Add additional arg to output_call.
4892 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
4893 (sibcall, sibcall_internal_symref): New expanders.
4894 (sibcall_value, sibcall_value_internal_symref
4895 (interspace_jump): Turn into an expander + matching patterns.
4896 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
4897 * pa/pa64-regs.h: Eliminate trigraph sequences.
4898 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
4900 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
4902 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
4903 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
4904 cpp_token with cpp_ttype everywhere.
4905 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
4906 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
4907 CPP_BUF_COL. Line and column numbers are unsigned int, not
4909 * cpplex.c (cpp_buf_line_and_col): Delete.
4910 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
4911 'long lineno' to 'unsigned int lineno'.
4912 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
4914 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4916 * extend.texi: ISO C99 is not a draft anymore.
4917 * invoke.texi: ISO C++ is not a draft anymore.
4918 * cpp.texi: __cplusplus is required by the ISO standard.
4920 * extend.texi (-fthis-is-variable): Undocument.
4921 * flags.h (warn_template_debugging): Remove declaration.
4922 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
4923 -Wenum-clash, -Wtemplate-debugging): Undocument.
4925 2000-04-10 Nick Clifton <nickc@cygnus.com>
4927 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
4929 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
4931 (ARM_SIGN_EXTEND): Use HOST_UINT.
4932 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
4933 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
4934 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
4935 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
4937 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
4938 (arm_gen_constant): Use HOST_UINT.
4939 (arm_canonicalize_constant): Use HOST_UINT.
4940 (arm_reload_in_hi): Use HOST_UINT.
4941 (arm_reload_out_hi): Use HOST_UINT.
4942 (output_multi_immediate): Use HOST_UINT.
4943 (int_log2): Use HOST_UINT.
4944 (arm_poke_function_name): Use HOST_UINT.
4945 (arm_output_epilogue): Use arm_volatile_func().
4946 (output_thumb_prologue): Use arm_strip_name_encoding().
4948 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4950 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
4951 of sequence point problems.
4953 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
4955 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
4957 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
4959 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4961 * sbitmap.h: Whitespace changes and use upper-case macro args.
4962 (struct simple_bitmap_def): All sizes now unsigned.
4963 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
4964 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
4965 (sbitmap_vector_alloc): Parms and local vars now unsigned.
4966 (sbitmap_zero): Cast bzero arg to PTR.
4967 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
4968 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
4969 loop to make structure clearer.
4970 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
4971 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
4972 (sbitmap_a_and_b_or_c): Likewise.
4973 (sbitmap_intersection_of_succs): Minor cleanups.
4974 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
4975 (sbitmap_union_of_preds): Likewise.
4976 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
4977 (debug_sbitmap): New function.
4979 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
4980 * c-typeck.c (convert_for_assignment): Likewise.
4982 * expmed.c (init_expmed): Don't free objects we make.
4983 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
4985 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
4986 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
4988 * gcse.c (expr_hash_table_size): Now unsigned.
4989 (compute_ae_gen): Local variable `i' now unsigned.
4990 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
4991 (compute_transout, hoist_code): Likewise.
4992 (compute_local_properties): Likewise, also hash_table_size.
4993 (alloc_expr_hash_table): N_INSNS now unsigned.
4994 (delete_null_pointer_checks): Mark arg F as unused.
4996 * regrename.c: Minor cleanups, including chang some variables
4999 2000-04-10 Neil Booth <NeilB@earthling.net>
5001 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5003 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5005 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5007 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5008 __classof__, and __headof__ from the list of gnu keywords.
5009 (-ansi): Remove -foperator-names from list of implied options.
5010 Do not call it ANSI C++.
5011 (-foperator-names): Document as -fno-operator-names.
5013 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5015 * cpphash.c (timestamp): Delete.
5016 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5017 (special_symbol): Remove unnecessary braces. Remove
5018 T_VERSION. Treat T_STDC like T_CONST unless
5019 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5020 when one is encountered, then convert them into T_MCONST
5022 * cppinit.c (builtin_array): version_string is T_MCONST.
5023 __STDC__ has a "1" in its cpval. Don't have a terminator
5024 entry. Clean up which entries are dumped.
5025 (initialize_builtins): Only __STDC__ gets the special
5026 -traditional treatment. Count the length of builtin_array.
5027 Render version_string here.
5028 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5029 * cpplib.h (struct cpp_reader): Remove timebuf.
5031 2000-04-09 Richard Henderson <rth@cygnus.com>
5033 * genrecog.c (pred): Update comparison_operator for the unordered
5036 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5038 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5039 (uno_comparison_operator): New.
5040 (put_condition_code): Handle UNORDERED/ORDERED.
5041 (unsigned_comparison): Likewise.
5042 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5043 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5044 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5045 update all callers. Handle all 8 unordered operators.
5046 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5047 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5048 * config/i386/i386.h (PREDICATE_CODES): Update.
5049 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5050 (ix86_expand_branch, ix86_expand_setcc): Update.
5051 * config/i386/i386.md (sunordered, sordered): New.
5052 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5053 (bunordered, bordered): New.
5054 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5055 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5056 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5058 2000-04-09 Philip Blundell <philb@gnu.org>
5060 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5062 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5064 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5065 fix_truncxfhi2): New patterns.
5066 * i386.c (output_fix_trunc): Handle converting to HImode.
5068 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5070 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5072 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5073 (for_each_successor_phi): Change parameter to basic_block.
5074 (coalesce_regs_in_successor_phi_nodes): Likewise.
5075 (coalesce_regs_in_copies): Likewise.
5076 (compute_coalesced_reg_partition): Use basic_block instead of index.
5077 * rtl.h (convert_to_ssa): Delete.
5078 (convert_from_ssa): Likewise.
5079 (successor_phi_fn): Likewise.
5080 (for_each_successor_phi): Likewise.
5081 (in_ssa_form): Likewise.
5082 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5083 (convert_from_ssa): Likewise.
5084 (successor_phi_fn): Likewise.
5085 (in_ssa_form): Likewise.
5086 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5087 * flow.c (calculate_global_regs_live): Pass a basic_block to
5088 for_each_successor_phi.
5090 2000-04-08 Richard Henderson <rth@cygnus.com>
5092 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5093 was modified in the current insn.
5095 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5097 * arm/thumb.md: Delete.
5098 * arm/thumb-protos.h: Delete.
5100 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5102 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5104 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5106 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5109 * arm.md (nop): Use the standard RTL expression. Don't code as a
5111 (*arm_nop, *thumb_nop): Delete.
5113 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5114 constants. Use casts instead.
5115 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5116 output_multi_immediate, arm_poke_function_name): Likewise.
5117 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5118 MASK_RETURN_ADDDR): Likewise.
5120 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5122 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5125 * arm.md (eh_epilogue): New function.
5126 * arm.h (struct machine_function): Move to here ...
5127 * arm.c: ... from here.
5128 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5129 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5130 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5132 2000-03-30 Nick Clifton <nickc@cygnus.com>
5134 * config/arm/semi.h (ASM_SPEC): Restore definition.
5135 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5137 * config/arm/elf.h (ASM_SPEC): Restore definition.
5138 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5140 * config/arm/arm.h (ASM_SPEC): Remove definition.
5141 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5143 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5145 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5147 2000-03-24 Nick Clifton <nickc@cygnus.com>
5149 Various formating tidyups, elimination of compile time
5150 warnings and synchronisation with internal sources:
5152 * config/arm/arm-protos.h (assemble_align): Add prototype.
5153 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5154 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5155 (arm_return_addr_rtx): Rename to arm_return_addr.
5157 * config/arm/arm.c: Include except.h.
5158 Define shorter typenames for strict minipool_node and struct
5160 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5162 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5163 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5165 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5167 (ASM_SPEC): Define if not already defined.
5168 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5170 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5171 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5172 arm_gen_compare_reg.
5173 (indirect_jump): Only accept register operands.
5174 (load_indirect_jump): Keep this pattern since combine can generate
5177 * config/arm/coff.h: Include aout.h.
5178 (MULTILIB_DEFAULTS): Only define if not already defined.
5180 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5181 into arm.h (so that COFF ports can support thumb based aliases).
5182 (ASM_SPEC): Move definition into arm.h
5184 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5185 redundant apcs spec.
5186 (ASM_SPEC): Move definition to arm.h
5188 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5190 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5191 for entries in the .bss section
5193 2000-03-23 Nick Clifton <nickc@cygnus.com>
5195 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5196 to thumb_far_jump_used_p.
5198 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5199 single integer parameter.
5201 * config/arm/arm.c (struct machine_function): Add two new
5202 fields, 'far_jump_used' and 'arg_pointer_live'.
5203 (thumb_far_jump_used_p): Once the decision has been made that
5204 far jumps might be used, always return true.
5205 If being called from the initial elimination offset macro then
5206 do not bother to perform the test if the arg pointer is not
5208 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5209 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5211 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5213 * arm.c (output_return_instruction): Handle more cases where we can
5214 return from a function with an ldr instruction.
5215 (arm_output_epilogue): Likewise.
5217 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5218 if we need to push a large stack frame and there are no callee-saved
5221 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5222 in ARM code if the frame pointer has been eliminated.
5224 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5225 unspec_volatile arguments to avoid duplicates.
5226 (consttable_1, consttable_2): Fixes for big-endian mode.
5228 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5231 Re-write constant pool code.
5232 * arm.c (minipool_node, minipool_fix): New types.
5233 (minifix): Delete type.
5234 (arm_add_minipool_constant): Delete.
5235 (arm_compute_minipool_offsets, arm_find_barrier,
5236 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5237 (get_jump_table_size): Now returns HOST_WIDE_INT.
5238 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5240 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5241 (assign_minipool_offsets, arm_print_value): Likewise.
5242 (dump_minipool): Rewrite.
5243 (arm_barrier_cost): New function.
5244 (create_fix_barrier): New function.
5245 (push_minipool_barrier): New function.
5246 (push_minipool_fix): Record additional information about the fixup
5248 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5249 check the mode of what needs fixing.
5250 (arm_reorg): Rewrite.
5252 2000-03-08 Nick Clifton <nickc@cygnus.com>
5254 * config/arm/arm.md (indirect_jump): Force constant addresses into
5257 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5259 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5261 2000-02-24 Nick Clifton <nickc@cygnus.com>
5263 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5264 adjust is word aligned.
5265 (thumb_expand_epilogue): Make sure that stack adjust is word
5268 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5270 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5272 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5273 pointer relative addresses.
5275 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5277 * arm.c (find_barrier): Find the last barrier within the allowed
5280 2000-02-09 Nick Clifton <nickc@cygnus.com>
5282 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5284 2000-02-09 Nick Clifton <nickc@cygnus.com>
5286 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5287 ARM_FUNCTION_PROFILER.
5289 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5290 ARM_FUNCTION_PROFILER.
5292 * config/arm/linux-oldld.h: Imported from mainline sources.
5294 2000-02-07 Nick Clifton <nickc@cygnus.com>
5296 * config/arm/lib1funcs.asm: Merge in thumb functions from
5299 * config/arm/lib1thumb.asm: Delete.
5301 2000-02-04 Nick Clifton <nickc@cygnus.com>
5303 * config/arm/arm.c: Sychronised with current Red hat local
5305 * config/arm/arm.h: Ditto.
5306 * config/arm/arm-protos.h: Ditto.
5308 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5310 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5312 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5315 2000-02-02 Nick Clifton <nickc@cygnus.com>
5317 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5319 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5320 (return) was emited using an emit_insn() call.
5322 2000-01-31 Nick Clifton <nickc@cygnus.com>
5324 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5326 (thumb_exit): Move frame pointer back into hard frame pointer
5327 register if backtracing is being used.
5329 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5331 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5334 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5336 * config/arm/arm.md (neg_pool_offset): Provide default for new
5338 (arm_movsi_insn): Add neg_pool_offset attribute.
5339 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5340 rtx for the insn that starts the scan and an unsigned long for its
5341 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5342 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5343 instructions in *PINSERTED.
5344 (struct minipool_fixup): Add MIN_ADDRESS elt.
5345 (sort_fixups): Compute it.
5346 (arm_reorg): Changes to support inserting pools before the insn to be
5349 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5351 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5352 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5353 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5355 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5357 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5359 (TARGET_DEFAULT): Do not define if already defined.
5361 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5363 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5364 (iordi3): Allow disjoint source operands.
5365 (xordi3): Allow disjoint source operands.
5366 (negdi2): Permit construction for ARM and Thumb.
5367 (arm_negdi2): Renamed version of old negdi2 pattern.
5368 (thumb_negdi2): New pattern: Only permit non-overlapping
5369 source and destination.
5371 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5373 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5374 scratch low register so that it will not be deleted.
5376 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5378 * config/arm/pe.h (ARM_PE): Define.
5380 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5381 interfacearm attribute if this is a PE toolchain.
5382 (output_return_instruction): Do not emit anything if the function
5383 has the naked attribute set.
5384 (is_called_in_ARM_mode): If the function has the interfacearm
5385 attribute then return true.
5386 (thumb_expand_prologue): Do not generate a prologue for naked
5388 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5390 (output_thumb_prologue): Do not bother if the function is naked.
5391 Strip PE encoding from function name before emitting.
5393 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5395 * arm.md (pic_load_addr): Fix constraints.
5397 * arm.md (casesi_insn): Fix mis-applied patch.
5399 * arm.md ("core" function unit): Add rules for single- and
5401 (All TARGET_THUMB patterns): Add "type" attribute information
5403 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5404 the following insn is a CALL.
5406 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5408 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5409 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5410 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5412 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5414 * config/arm/linux-gas.h: oops - this file was missed out when the
5415 branch was created...
5417 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5419 * thumb.c: Deleted. Move contents to ...
5421 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5423 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5426 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5427 declare a prototype for asm_output_align();
5429 * arm.c (thumb_condition_code): Delete.
5430 (arm_print_operand): Always use arm_condition_code array.
5432 * arm.c (thumb_return_addr_rtx): Delete.
5433 (arm_save_machine_status, arm_restore_machine_status): Delete.
5434 (arm_init_machine_status, arm_mark_machine_status): New functions.
5435 (arm_init_expanders): Update accordingly.
5436 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5437 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5438 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5440 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5442 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5444 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5447 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5449 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5450 stack backtrace structure.
5452 * config/arm/arm-protos.h: Add prototypes for functions defined in
5455 * config/arm/arm.c (arm_override_options): Fix selection of
5456 attributes of default processor.
5458 * config/arm/coff.h: Delete needless #include.
5460 * config/arm/pe.c: Delete unused code.
5462 * config/arm/pe.h (CPP_DEFINES): Delete
5463 (SUBTARGET_CPP_SPEC): Define.
5464 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5466 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5468 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5470 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5472 (CAN_DEBUG_WITHOUT_FP): Define.
5473 (FIXED_REGISTERS): Make r11 call-saved.
5474 (CALL_USED_REGISTERS): Likewise.
5475 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5476 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5477 frame-pointer is required.
5478 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5479 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5480 if the target normally needs a stack frame in non-leaf functions.
5481 (use_return_insn): Correct logic for determining when a return
5482 instruction can be used.
5483 (output_return_instruction): Handle the frame-pointer register as
5484 a normal register when not TARGET_APCS_FRAME.
5485 (arm_output_prologue): Likewise.
5486 (arm_output_epilogue): Likewise.
5487 (output_func_epilogue): Likewise.
5488 (arm_expand_prologue): Likewise.
5489 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5491 * arm.c (use_return_insn): No need to check floating point regs if
5493 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5494 the code of value stored in the minipool array.
5495 (arm_add_minipool_constant): Likewise.
5497 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5499 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5501 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5503 * tree.c (tree_expr_nonnegative_p): New function.
5505 * tree.h (tree_expr_nonnegative_p): Declare.
5507 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5508 elide some sign_compare warnings.
5509 (build_conditional_expr): Likewise.
5511 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5513 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5515 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5516 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5517 operand. Abort if a 387 operand has an unsupported size.
5519 2000-04-08 Neil Booth <NeilB@earthling.net>
5521 * cppexp.c (parse_charconst): Null does not end character
5523 * cppinit.c (ISTABLE): Null character handled as whitespace.
5524 * cpplex.c (null_warning): new function.
5525 (skip_string): Emit warning if nulls encountered.
5526 (_cpp_skip_hspace): Emit warning if nulls encountered.
5527 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5531 2000-04-07 Richard Henderson <rth@cygnus.com>
5533 * flow.c (loop_depth): Remove.
5534 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5535 (struct propagate_block_info): New.
5536 (life_analysis): Don't allocate reg_next_use.
5537 (propagate_block_delete_insn): Break out of propagate_block.
5538 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5539 (propagate_block_delete_libcall): Likewise.
5540 (propagate_block): Create a propagate_block_info struct to pass
5541 to subroutines. Allocate one not two temporary regsets. Don't
5542 clobber memory for const calls. Look for clobbers in
5543 CALL_INSN_FUNCTION_USAGE.
5544 (mark_set_regs): Recognize COND_EXEC.
5545 (mark_set_reg): Break out of mark_set_1.
5546 (mark_used_reg): Break out of mark_used_regs.
5547 (mark_used_regs): Recognize COND_EXEC.
5548 (insn_dead_p): Use propagate_block_info struct.
5549 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5550 (find_auto_inc, try_pre_increment_1): Likewise.
5551 (print_rtl_with_bb): Dump regs live at end too.
5552 (count_reg_sets_1): Pass in loop_depth.
5553 (count_reg_sets, count_reg_references): Likewise.
5554 (recompute_reg_usage): Provide it.
5556 2000-04-07 Richard Henderson <rth@cygnus.com>
5558 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5561 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5563 * cpplib.c (do_elif): Skip the rest of the line if we're
5564 not going to bother evaluating it.
5565 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5566 to avoid pointless calls to the lexer.
5568 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5570 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5572 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5574 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5576 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5578 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5580 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5582 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5583 crtend so they can be multilibbed.
5584 (STAGESTUFF): Remove s-crt and s-crtS.
5586 2000-04-07 Richard Henderson <rth@cygnus.com>
5588 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5589 if we discover we need a pseudo and no_new_pseudos is true.
5590 * config/alpha/alpha.md (ne:DI insn): New.
5591 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5593 2000-04-07 Richard Henderson <rth@cygnus.com>
5595 * rtl.def (COND_EXEC): New.
5596 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5597 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5599 * genconfig.c (have_cond_arith_flag): Remove.
5600 (have_cond_exec_flag): New.
5601 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5602 (main): Print HAVE_conditional_execution.
5604 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5605 (sched_analyze_insn, print_pattern): Likewise.
5606 * reload.c (find_equiv_reg): Likewise.
5607 * rtlanal.c (reg_referenced_p): Likewise.
5608 (note_stores, dead_or_set_regno_p): Likewise.
5609 (reg_overlap_mentioned_p): Rewrite to use a switch.
5611 * ggc.h (struct rtx_def): Forward declare.
5613 * print-rtl.c (debug_rtx_range): New.
5614 * rtl.h (debug_rtx_range): Declare.
5616 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5618 * gcse.c (gcse_main): Don't rebuild the CFG here.
5619 (delete_null_pointer_checks): Likewise.
5620 * ssa.c (convert_to_ssa): Likewise.
5621 * toplev.c (rest_of_compilation): Do it here instead. Combine
5622 sequential calls to TIMEVAR. Consistently use `insns' instead of
5623 `get_insns()'. Always split insns after reload when optimizing.
5625 * basic-block.h (merge_blocks_nomove): Declare.
5626 (tidy_fallthru_edge): Declare.
5627 * flow.c (merge_blocks_nomove): Document as merging into previous
5628 blocks. Remove cruft from between blocks; remove all edges out of A.
5629 (tidy_fallthru_edge): Export.
5631 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5633 * ssa.c (compute_conservative_reg_partition): Declare with
5635 * toplev.c (clean_dump_file): Remove previously-deleted function
5636 inadvertantly merged back in.
5637 * conflict.c (conflict_graph_add): Use a single call to
5638 htab_find_slot to look up and insert.
5640 2000-04-06 Richard Henderson <rth@cygnus.com>
5642 * genrecog.c (*): Rename _last_insn to last_insn.
5643 (make_insn_sequence): Set the position of the peephole2 C test
5644 to be at the last insn.
5646 2000-04-06 Richard Henderson <rth@cygnus.com>
5648 * flow.c (compute_flow_dominators): Free worklist.
5650 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5652 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5654 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5656 * rtl.h (INSN_P): New macro.
5657 (successor_phi_fn): New typedef.
5658 (for_each_successor_phi): New prototype.
5659 (in_ssa_form): New variable.
5660 (PHI_NODE_P): Likewise.
5661 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5662 phi nodes in successors.
5663 (mark_used_regs): Add PHI case.
5664 (set_phi_alternative_reg): New function.
5665 (life_analysis): Assert that dead code elimination is not selected
5667 * toplev.c (to_ssa_time): New variable.
5668 (from_ssa_time): Likewise.
5669 (compile_file): Zero to_ssa_time and from_ssa_time.
5670 Print time to convert to and from SSA.
5671 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5672 (print_time): Compute percent fraction as integer.
5673 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5674 (convert_to_ssa): Check if we're already in SSA.
5675 Don't eliminate dead code in life_analysis.
5676 Rerun flow and life analysis at bottom.
5677 (eliminate_phi): Use canonical regnos when adding nodes.
5678 (mark_reg_in_phi): New function.
5679 (mark_phi_and_copy_regs): Likewise.
5680 (convert_from_ssa): Rerun life analysis at top.
5681 Use coalesced partition.
5682 Check for removing a phi node at the end of the block.
5683 (compute_coalesced_reg_partition): New function.
5684 (coalesce_regs_in_copies): Likewise.
5685 (coalesce_reg_in_phi): Likewise.
5686 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5687 (for_each_successor_phi): Likewise.
5688 (rename_context): New struct.
5689 (rename_block): Use a rename_context with rename_insn_1. When
5690 renaming sets of a subreg, emit a copy of the entire reg first.
5691 (rename_insn_1): Treat data as a rename_context *. Save current
5693 (rename_set_data): Add field set_insn.
5694 * Makefile.in (HASHTAB_H): Move up in file.
5695 (OBSTACK_H): New macro.
5696 (collect2.o): Use OBSTACK_H in dependencies.
5697 (sdbout.o): Likewise.
5698 (emit-rtl.o): Likewise.
5699 (simplify-rtx.o): Likewise.
5700 (fix-header.o): Likewise.
5701 (OBJS): Add conflict.o.
5702 (conflict.o): New rule.
5703 * basic-block.h: Include partition.h.
5704 (conflict_graph): New typedef.
5705 (conflict_graph_enum_fn): Likewise.
5706 (conflict_graph_new): New prototype.
5707 (conflict_graph_delete): Likewise.
5708 (conflict_graph_add): Likewise.
5709 (conflict_graph_conflict_p): Likewise.
5710 (conflict_graph_enum): Likewise.
5711 (conflict_graph_merge_regs): Likewise.
5712 (conflict_graph_print): Likewise.
5713 (conflict_graph_compute): Likewise.
5714 * conflict.c: New file.
5716 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5718 * tlink.c (read_repo_files): Don't look for .rpo info for
5721 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5723 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5725 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5727 * config/sh/lib1funcs.asm (___udivsi3_i4):
5728 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5729 only depends on FMOVD_WORKS.
5731 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5733 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5734 make double constant 8-byte aligned.
5736 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5738 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5739 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5740 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5741 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5742 Accept storing GENERAL_REGS into offsetable memory.
5743 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5744 building a TFmode constant other than 0.0L into GENERAL_REGS.
5746 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5748 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5750 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5752 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5753 (macro_cleanup): No need to cast pbuf->macro.
5754 (collect_expansion): Use _cpp_get_define_token. Goto done if
5755 it returns VSPACE. Remove check for trailing space after
5757 (_cpp_create_definition): Don't diddle flags here. Return
5759 (unsafe_chars): Handle c1 being EOF.
5760 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5761 checks. Don't push the buffer till after we're done with
5763 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5764 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5765 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5767 (_cpp_parse_assertion): Don't NUL terminate.
5768 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5769 hspace before calling _cpp_parse_assertion. Remove all sets
5770 of only_seen_white. Treat '\f' as hspace. Don't do anything
5771 special with '\n' here.
5772 (maybe_macroexpand): Handle T_EMPTY hash entries without
5773 pushing a buffer at all.
5774 (cpp_get_token): Handle clearing only_seen_white here. Handle
5775 incrementing the line number here. Clear
5776 potential_control_macro as well as only_seen_white, if
5778 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5779 (_cpp_get_define_token): New function, basically like
5780 _cpp_get_directive_token was but doesn't eat horizontal space.
5781 Don't do anything with only_seen_white here.
5782 (_cpp_get_directive_token): Just call _cpp_get_define_token
5783 repeatedly till it returns non-hspace.
5785 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5786 (conditional_skip, skip_if_group): Return int.
5787 (DIRECTIVE_TABLE): Change origin of all conditional directives
5789 (TRAD_DIRECT_P): New macro.
5790 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5791 an error for a bogus directive, unless -lang-asm. Use
5792 TRAD_DIRECT_P. Loop calling handler functions till one returns
5794 (get_macro_name): Don't diddle flags here.
5795 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5796 Create T_EMPTY nodes for #define macro /* nothing */.
5797 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5798 Use hp->name when calling pass_thru_directive.
5799 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5800 Return the result of conditional_skip and/or skip_if_group.
5801 Don't call _cpp_output_line_command.
5802 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5803 Issue -Wtraditional warnings as appropriate. Don't complain
5804 about unrecognized directives. If we are to stop skipping,
5805 return the number of the directive that ended the skip.
5806 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
5807 expansion and line commands while skipping. Return the result
5808 of consider_directive_while_skipping, if nonzero.
5809 (do_endif): Just set potential_control_macro here.
5810 (validate_else): Use _cpp_get_directive_token.
5811 (do_assert, do_unassert): Don't save pointers into the
5812 token_buffer across calls to the lexer. Use
5813 _cpp_get_directive_token.
5815 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
5816 pointer, not an offset. Replace 'data', which was a generic
5817 pointer, with 'macro', which points to a struct hashnode.
5818 (cpp_reader): Add 'potential_control_macro' pointer.
5819 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
5820 (CPP_BUF_GET, CPP_FORWARD): Delete.
5821 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
5822 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
5823 ACTIVE_MARK_P): Update.
5824 (_cpp_get_define_token): New internal function.
5825 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
5827 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
5829 * configure.in: And here.
5830 * configure: Regenerate.
5831 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
5832 --enable-libstdcxx-v3 is passed at configure time.
5833 * config.h.in: Regenerate.
5835 2000-04-05 Mark Mitchell <mark@codesourcery.com>
5837 * final.c (final): Use xcalloc to allocate line_note_exists.
5838 * function.c (free_after_compilation): Free the temp_slots.
5839 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
5840 (combine_temp_slot): Free temp_slots when they get combined.
5841 (purge_addressof): Fix typo in comment.
5842 * stmt.c (mark_goto_fixup): Mark the fixup itself.
5843 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
5845 * ggc.h: Include varray.h.
5846 (ggc_pending_trees): Declare.
5847 (ggc_mark_tree_children): Remove declaration.
5848 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
5849 * ggc-common.c (ggc_pending_trees): New variable.
5850 (ggc_mark_roots): Call ggc_mark_trees.
5851 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
5852 the ggc_pending_trees.
5853 * Makefile.in (GGC_H): New variable. Use it throughout in place
5856 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5858 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
5861 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5863 * sh.c (sh_insn_length_adjustment): New function.
5864 * sh-protos.h (sh_insn_length_adjustment): Declare.
5865 * sh.h (ADJUST_INSN_LENGTH): Use it.
5867 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
5869 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
5870 from the insn where REG_RETVAL is added.
5871 (emit_no_conflict_block): Ditto.
5873 * md.texi (Standard Names): Clarify when movX is needed.
5875 * combine.c (simplify_comparison) [MINUS]: Do not replace
5876 all (op (minus A B) 0) with (op A B).
5878 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
5879 J"orn Rennecke <amylaar@cygnus.co.uk>
5881 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
5882 (block_lump_real): Likewise.
5884 2000-04-05 Chris Demetriou <cgd@netbsd.org>
5886 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
5887 remaining non-zero debugging masks.
5889 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
5891 * basic-block.h (verify_flow_info): Declare.
5892 (flow_loop_outside_edge_p): Declare.
5893 * flow.c (verify_flow_info): Remove declaration.
5894 (clear_log_links, flow_loop_outside_edge_p): Likewise.
5896 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
5898 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
5901 2000-04-05 Jakub Jelinek <jakub@redhat.com>
5903 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
5904 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
5905 seqdi_zero_trunc+1): Allow splits only if registers are
5908 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
5910 * acconfig.h: Add HAVE_GAS_HIDDEN.
5911 * config.in: Regenerated.
5912 * configure.in: Add test for .hidden pseudo-op in gas.
5913 * configure: Regenerated.
5914 * crtstuff.c: Include auto-host.h.
5915 Emit additional .hidden pseudo-op for __dso_handle if the
5916 assembler knows about it.
5918 2000-04-04 Philippe De Muyter <phdm@macqel.be>
5920 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
5921 before freeing argnames.
5922 * cpplib.c (do_ifndef): Cast return value of xstrdup.
5924 2000-04-05 Michael Meissner <meissner@redhat.com>
5926 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
5927 Walton <jonboy@gordian.com> to make memory references with update
5928 work wtih -mregnames.
5930 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5932 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
5933 (regrename_optimize): Rename variables `def_uses' and
5934 `ext_basic_blocks' to avoid conflicts with similarly named
5935 typedefs in traditional C.
5937 * calls.c (initialize_argument_information): Fix typo in previous
5940 2000-04-04 Richard Henderson <rth@cygnus.com>
5942 * regrename.c (consider_available): Test fixed_regs not
5943 PIC_OFFSET_TABLE_REGNUM.
5945 2000-04-04 Geoff Keating <geoffk@cygnus.com>
5947 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
5949 (CRTSTUFF_T_CFLAGS_S): Delete definition.
5950 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
5951 (ENDFILE_LINUX_SPEC): Always use crtend.
5952 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
5953 (powerpc-*-linux-gnu): Likewise.
5954 * configure: Regenerate.
5956 * config/rs6000/eabi.h: Don't include sysv4.h.
5957 (MULTILIB_DEFAULTS): Don't define.
5958 * config/rs6000/eabiaix.h: Don't include eabi.h.
5959 * config/rs6000/eabile.h: Delete.
5960 * config/rs6000/eabilesim.h: Delete.
5961 * config/rs6000/eabisim.h: Don't include eabi.h.
5962 * config/rs6000/linux.h: Don't include sysv4.h.
5963 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
5964 (MULTILIB_DEFAULTS): Don't redefine.
5965 * config/rs6000/rtems.h: Don't include eabi.h.
5966 * config/rs6000/sol2.h: Don't include sysv4le.h.
5967 * config/rs6000/sysv4le.h: Don't include sysv4.h.
5968 * config/rs6000/t-ppc: Delete.
5969 * config/rs6000/t-ppcgas: Correct comment.
5970 * config/rs6000/t-ppcos: Correct comment. Don't build
5971 multilibs for -fPIC, rather use -fPIC -mstrict-align
5973 * config/rs6000/t-ppc: Delete.
5974 * config/rs6000/vxppc.h: Don't include sysv4.h.
5975 * config/rs6000/vxppcle.h: Delete.
5976 * configure.in: Use multiple header files for p2pc ELF targets
5977 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
5978 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
5979 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
5980 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
5981 always available for these platforms.
5983 2000-04-04 Richard Henderson <rth@cygnus.com>
5985 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
5987 2000-04-04 Stan Cox <scox@cygnus.com>
5989 * Makefile.in: Add rules for regrename.o
5990 * regrename.c: New file.
5991 * rtl.h (regrename_optimize): Add prototype.
5992 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
5993 (compile_file, decode_d_option): Add support for -frename-registers.
5994 (rest_of_compilation): Call regrename_optimize.
5995 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
5998 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6000 * Makefile (gccbug): New target.
6001 (doc): Depend on it.
6002 * gcc.texi (Bugs): Link subnodes.
6004 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6005 Document severities, priorities, and classes in bug form.
6007 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6009 * cpplex.c (trigraph_map, speccase): Combine into single
6011 (NORMAL, NONTRI): New macros.
6012 (_cpp_read_and_prescan): Change to use unified table. Use
6013 is_hspace to test for whitespace.
6015 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6016 definition that doesn't provoke the "empty body in an
6017 if-statement" warning.
6019 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6021 * builtins.c (expand_builtin_strlen): Force the source to
6022 be a memory address.
6024 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6026 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6028 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6030 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6031 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6032 (ECF_IS_CONST): Rename to ECF_CONST.
6033 (special_function_p): Make static, change interface.
6034 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6035 (expand_call) ... here; convert number of variables to flags.
6036 (emit_library_call_vlue_1): Likewise.
6037 (setjmp_call_p): New function.
6038 (initialize_argument_information): Accepts flags as argument;
6040 (precompute_arguments): Likewise.
6041 * tree.h (special_function_p): Remove.
6042 (setjmp_call_p): Add prototype.
6044 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6046 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6047 so that addresses are offsetable by up to 16 bytes.
6048 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6049 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6052 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6053 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6054 (movsf): Don't force any constant to memory if target is integer
6056 Move fp_zero_operand check below the const0_rtx check.
6057 (movtf): Likewise. Also allow fp_zero_operand for stores into
6059 (movdf): Likewise. Also allow fp_zero_operand for stores into
6060 memory and into integer hard registers.
6061 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6062 movdf_const_intreg_sp64): Remove.
6063 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6065 (movdf_no_e_insn_v9_sp32): New pattern.
6066 (movdf_insn_v9only): Remove.
6067 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6068 (movdf_insn_sp64): Remove.
6069 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6070 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6071 (following splits): Rewrite conditions. Add two new splits
6072 for storing 0.0 into memory and registers.
6073 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6074 (movtf_insn_sp32): Redo constraints and conditions.
6075 (movtf_insn_vis_sp32): New pattern.
6076 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6077 (movtf_insn_hq_sp64): Likewise.
6078 (movtf_insn_hq_vis_sp64): New pattern.
6079 (movtf_insn_sp64): Redo constraints and conditions.
6080 (movtf_insn_vis_sp64): New pattern.
6081 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6082 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6084 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6085 -mvis or -m64 to take down the number of various reload patterns.
6087 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6089 * pa/pa-64.h: New file.
6090 * pa/pa64-regs.h: New file.
6091 * pa/pa64-start.h: New file.
6092 * pa/t-pa64: New file.
6093 * pa/xm-pa64hpux.h: New file.
6095 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6097 * sparc.c (output_restore_regs): Prototype.
6098 (sparc_emit_float_lib_cmp): Constification.
6100 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6102 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6105 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6106 (get_value_hash, hash_rtx): Likewise.
6108 * ssa.c (compute_conservative_reg_partition): Prototype.
6110 * tree.c (mark_hash_entry): Prototype.
6112 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6114 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6115 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6116 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6118 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6119 * objc/lang-specs.h: Likewise.
6121 2000-04-03 Neil Booth <NeilB@earthling.net>
6123 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6124 and SYNTAX_ERROR2. Replace `' in messages with ''.
6125 (op_to_str): Make re-entrant.
6126 (_cpp_parse_expr): Implement new error macros. Use | rather
6127 than || to logically or 2 boolean integers. Simply expression
6128 checking we have a left operand iff needed.
6130 2000-04-03 Nick Clifton <nickc@cygnus.com>
6132 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6134 2000-04-03 Philip Blundell <philb@gnu.org>
6136 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6138 2000-04-03 Felix Lee <flee@cygnus.com>
6140 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6141 (run_shell): Use it.
6143 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6145 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6146 (stmp-fixproto): ...rather than here.
6148 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6150 * pa.c (print_operand): Compute 'base' only inside the code paths
6153 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6155 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6158 2000-04-03 Philipp Thomas <pthomas@suse.de>
6160 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6162 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6164 * Makefile.in (alias.o): Depend on $(TREE_H).
6166 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6168 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6170 * cpplib.c (_cpp_handle_directive): Improve warnings for
6171 traditional C and indented directives.
6173 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6174 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6175 fixinc/inclhack.def: Indent the # of #include_next one space.
6176 * cp/rtti.c: Un-indent #if and #endif.
6178 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6179 syntax error, but an error has already been printed.
6180 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6181 message when called with nothing remaining on the line.
6182 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6183 OTHER token, not an ASSERTION.
6184 * cpplib.c (do_assert): When we create a 'base' node, clear
6185 its aschain pointer.
6187 2000-04-02 Neil Booth <NeilB@earthling.net>
6189 * cppexp.c: New typedef op_t. struct operation and struct
6190 token updated to use it.
6191 (op_to_str): New function.
6192 (_cpp_parse_expr): Error messages modified to use op_to_str.
6194 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6196 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6197 before checking MUST_PASS_IN_STACK.
6199 2000-04-02 Neil Booth <NeilB@earthling.net>
6201 * cppexp.c: New FINISHED dummy token. Combine operator initial
6202 flags and initial priority into a single constant. New
6203 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6204 (_parse_cpp_expr): Implement new constants. Take left operand
6205 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6206 parse indicated by reducing FINISHED token. Remove new lines
6207 from cpp_error messages.
6209 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6211 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6214 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6216 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6217 directive. Add origin values to DIRECTIVE_TABLE. Generate
6218 the strings and function names on the fly. Take the #sccs
6219 entry out of the table if SCCS_DIRECTIVE is not defined.
6220 (_cpp_handle_directive): Decide if the # was at the beginning
6221 of the line here. Issue -pedantic warnings for extended
6222 directives here. Warn about K+R directives with the #
6223 indented, and C89/extended directives with the # not indented,
6225 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6226 do_assert, do_unassert): Don't issue pedantic warning here.
6228 * cpphash.h: Add CPP_WTRADITIONAL macro.
6229 * cpplib.h (struct cpp_options): Rename warn_stringify to
6230 warn_traditional; update comments.
6231 * cppinit.c (handle_option): Set warn_traditional not
6233 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6234 CPP_WTRADITIONAL (pfile).
6235 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6236 be ignored in -traditional mode here.
6238 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6239 to initialize speccase[] and trigraph_map[]. Delete all
6240 references to pfile->input_speccase. Always treat '?' as a
6241 special character. Remove table-initialization code from
6242 _cpp_init_input_buffer.
6244 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6245 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6247 2000-04-01 Richard Henderson <rth@cygnus.com>
6249 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6250 (mostlyclean): Likewise.
6252 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6253 (struct dump_file_info, enum dump_file_index, dump_file): New.
6254 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6255 not a string. Clean out file if we havn't yet done so. Do nothing
6256 if the dump isn't enabled.
6257 (close_dump_file): Do nothing if the dump isn't open. Dump
6258 graph data if requested.
6259 (dump_rtl, clean_dump_file): Remove.
6260 (compile_file): Don't clean the dump files. Only finalize .bp dump
6261 if flag_test_coverage or flag_branch_probabilities. Only finalize
6262 .combine dump if optimizing. Iterate over dump_file to finalize the
6264 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6265 Convert all uses of dump_rtl.
6266 (decode_d_option): Iterate over dump_file to implement 'a' and to
6267 locate pass-specific dumps.
6269 2000-04-01 Neil Booth <NeilB@earthling.net>
6271 * cppexp.c: Redefine priority constants.
6272 (_cpp_parse_expr): Replace left and right priority scheme with
6273 single priority logic. Move LOGICAL to same place as COMPARE.
6274 Remove bogus check for multiple unary +/- operators.
6276 2000-04-01 Neil Booth <NeilB@earthling.net>
6278 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6279 within the switch statement. Binary operations break out of
6280 the switch naturally. '(' tokens handled by forcing
6281 immediate shift. ')' handled by forcing immediate reduce to
6282 the previous '('. New error messages.
6284 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6286 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6287 part', it's already in use. Use %K instead. Add a return at the
6288 end of what is now %K.
6289 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6291 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6293 * builtins.c (expand_builtin_apply): Pass proper parameters to
6294 allocate_dynamic_stack_space.
6295 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6296 update stack_pointer_delta; do not update arg_size_so_far.
6297 (compute_argument_block_size): Use stack_delta instead of
6298 stack_pointer_pending and arg_size_so_far.
6299 (expand_call): Add sanity checking for stack_pointer_delta;
6300 save and restore stack_pointer_delta for SIB, use
6301 stack_pointer_delta for alignment; do not update arg_space_so_far.
6302 (emit_library_call_value): Use stack_pointer_delta for alignment.
6303 (store_one_arg): Do not update arg_space_so_far.
6304 * explow.c (adjust_stack, anti_adjust_stack): Update
6305 stack_pointer_delta.
6306 (allocate_dynamic_stack_space): Add sanity checking for
6307 stack_pointer_delta.
6308 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6309 stack_pointer_delta.
6310 (emit_push_insn): Update stack_pointer_delta.
6311 * function.h (struct expr_status): Add x_stack_pointer_delta;
6312 remove x_arg_space_so_far.
6313 (arg_space_so_far): Remove.
6314 (stack_pointer_delta): New macro.
6316 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6318 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6319 Reorder struct cpp_options and struct cpp_reader for better
6320 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6321 takes two args. Change all 'char' flags to 'unsigned char'.
6322 Move show_column flag into struct cpp_options. Don't
6323 prototype cpp_options_init.
6324 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6325 cppinit.c, cpplex.c, cpplib.c:
6326 Replace CPP_OPTIONS (pfile)->whatever with
6327 CPP_OPTION (pfile, whatever), and likewise for
6328 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6330 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6331 Extract CPP_OPTION (pfile, pending) and work with that
6333 (cpp_options_init): Delete.
6334 (cpp_reader_init): Turn on on-by-default options here.
6335 Allocate the pending structure here.
6336 (cl_options, enum opt_code): Define these from the same table,
6337 kept in a large macro. Add -fshow-column and -fno-show-column
6340 * cpperror.c (v_message): If show_column is off, don't print
6343 * cppmain.c: Update for new interface.
6344 * fix-header.c: Likewise.
6346 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6348 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6350 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6351 are passed to any invocation of AR_FOR_TARGET.
6352 (AR_CREATE_FOR_TARGET): New macro.
6353 (AR_EXTRACT_FOR_TARGET): New macro.
6354 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6355 AR_EXTRACT_FOR_TARGET.
6356 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6357 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6358 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6359 AR_EXTRACT_FOR_TARGET to sub-makes.
6361 2000-03-31 Neil Booth <NeilB@earthling.net>
6363 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6365 (_cpp_parse_expr): Check for multiple unary +/- operators.
6366 Correct priorities of ':' and '?'. Treat ')' as having a
6367 value. Ensure conditional expression is not void.
6369 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6371 * alias.c (canon_rtx): Make it global.
6372 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6374 * cse.c (struct table_elt): Add canon_exp.
6376 (invalidate): Canonicalize expressions only once.
6377 * rtl.h (canon_rtx): Declare.
6379 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6381 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6382 * alias.c (reg_known_value): Add comments.
6383 (init_alias_analysis): Likewise.
6384 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6386 (cse_basic_block): Fix typo in comment.
6387 * emit-rtl.c: Include hashtab.h.
6388 (const_int_htab): New variable.
6389 (const_int_htab_hash): New function.
6390 (const_int_htab_eq): Likewise.
6391 (rtx_htab_mark_1): Likewise.
6392 (rtx_htab_mark): Likewise.
6393 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6394 (unshare_all_rtx): Fix formatting.
6395 (init_emit_once): Initialize const_int_htab.
6396 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6398 * rtl.texi: Document the fact that all CONST_INTs with the same
6401 2000-03-30 Richard Henderson <rth@cygnus.com>
6403 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6405 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6407 * configure.in: Comment out --enable-c-cpplib stanza.
6408 * configure: Regenerate.
6410 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6412 * expr.c (store_constructor): Properly compute displacement and
6413 alignment when offset is variable.
6415 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6416 cases of alignment in bytes.
6418 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6420 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6421 since it is used to generate c-parse.y.
6422 * objc-parse.c, objc-parse.y: Regenerated.
6424 * function.c (expand_function_end): Pass alignment argument to
6425 emit_block_move in bits, not bytes.
6427 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6429 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6432 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6434 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6435 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6436 * function.c (assign_parms): Likewise.
6437 * integrate.c (expand_inline_function): Likewise.
6438 * stmt.c (expand_decl): Likewise.
6439 (copy_rtx_and_substitute): Likewise.
6440 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6441 (clear_by_pieces): Fix error in last change.
6442 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6443 * function.h (regno_pointer_align): Now unsigned.
6444 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6446 * config/i386/i386.c (aligned_operand): Likewise.
6447 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6448 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6449 (unaligned_memory_operand): Likewise.
6450 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6451 Also make alignments and sizes unsigned and some whitespace cleanup.
6452 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6454 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6455 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6456 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6457 (expand_builtin_memset): Likewise, but to clear_storage.
6458 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6459 (restore_fixed_argument_area): Likewise.
6460 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6461 (load_register_parameters): Likewise, to emit_group_load.
6462 (expand_call): Likewise, to emit_group_store and emit_block_move.
6463 (emit_library_call_value_1): Likewise, to emit_block_move.
6464 (store_one_arg): Likewise, and to emit_push_insn.
6465 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6466 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6467 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6468 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6469 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6470 (expand_assigment, store_expr, store_constructor_field): Likewise.
6471 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6472 (store_constructor, store_field, get_inner_reference): Likewise.
6473 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6474 (expand_expr, case COMPONENT_REF): Likewise.
6475 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6476 and positions; reindent code.
6477 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6478 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6479 (assign_parms): Likewise to emit_group_store.
6480 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6481 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6482 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6483 (expand_return): Likewise to {extract,store}_bit_field.
6484 * stor-layout.c (get_mode_alignment): Minor cleanup.
6485 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6486 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6488 2000-03-29 Nick Clifton <nickc@cygnus.com>
6490 * config/arm/arm.h: Undo effects of previous delta:
6491 (ASM_SPEC): Do not define.
6492 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6494 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6497 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6499 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6500 only after reading in the primary source file.
6502 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6504 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6505 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6506 or a reference to a va_list.
6507 * builtins.c (stabilize_va_list): Simplify now we don't have to
6508 work around C array address decay.
6509 * c-typeck.c (convert_for_assignment): Handle assignment to
6510 a reference parameter by taking the address of the RHS.
6511 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6512 (va_copy): Likewise.
6513 (__va_copy): Likewise.
6514 * ginclude/varargs.h (va_start): Likewise.
6515 (__va_copy): Likewise.
6517 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6519 * i386/djgpp.h: Remove extraneous "+".
6521 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6523 * calls.c (expand_call): Fix typo in last change.
6525 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6527 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6530 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6532 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6533 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6534 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6535 * tree.c (bit_position, byte_position): Likewise.
6536 * tree.h: Declare new functions.
6538 2000-03-29 Nick Clifton <nickc@cygnus.com>
6540 * config/arm/arm.c: Minor formatting changes/
6541 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6543 (ASM_SPEC): Define if not already defined.
6545 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6547 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6550 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6552 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6553 value, don't output it as unsigned.
6555 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6557 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6559 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6561 * c-common.c (c_common_nodes_and_builtins): Don't special case
6562 cplus_mode when declaring builtin bzero/bcmp, always avoid
6563 prototype arguments.
6565 2000-03-29 Bruce Korb <bkorb@gnu.org>
6567 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6570 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6572 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6573 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6574 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6575 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6576 (save_fixed_argument_area, restore_fixed_argument_area):
6577 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6578 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6579 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6580 (precompute_register_parameters): Avoid #ifdefs on
6581 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6582 (stire_one_args): Likewise.
6583 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6584 (emit_library_call_value_1): Likewise.
6585 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6586 ACCUMULATE_OUTGOING_ARGS.
6587 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6589 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6590 (use_crosses_set_p): Likewise.
6591 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6592 #define ACCUMULATE_OUTGOING_ARGS 1.
6593 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6595 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6597 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6598 (TARGET_SWITCHES): Add push-args, no-push-args,
6599 accumulate-outgoing-args and no-accumulate-outgoing-args.
6600 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6601 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6602 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6604 (emit_push_insn): Likewise.
6605 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6606 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6607 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6608 (STACK_DYNAMIC_OFFSET): Define correctly for both
6609 ACCUMULATE_OUTGOING_ARGS and normal mode.
6610 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6611 * tm.texi (PUSH_ARGS): Document.
6612 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6614 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6616 * flags.h (flag_optimize_sibling_calls): Declare.
6617 * calls.c (expand_call): Fail sibcall when
6618 !flag_optimize_sibling_calls
6619 * invoke.texi (flag_optimize_sibling_calls): Document.
6620 * toplev.c (flag_optimize_sibling_calls): New global variable.
6621 (f_options): Add flag_optimize_sibling_calls.
6622 (rest_of_compilation): Conditionize
6623 optimize_sibling_and_tail_recursive_calls by
6624 flag_optimize_sibling_calls.
6625 (main): Set flag_optimize_sibling_calls for -O2.
6626 * stmt.c (expand_return): Conditionize tail recursion by
6627 flag_optimize_sibling_calls.
6629 2000-03-29 Richard Henderson <rth@cygnus.com>
6631 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6632 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6634 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6636 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6638 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6640 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6642 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6643 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6644 * config/rs6000/aix.h: then modified likewise.
6646 2000-03-28 Richard Henderson <rth@cygnus.com>
6648 * rtl.h: Redistribute enum reg_note documentation.
6649 Kill trailing whitespace.
6650 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6651 Kill trailing whitespace.
6653 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6655 * cppfiles.c (hash_IHASH): Just return i->hash.
6656 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6657 htab_find_with_hash.
6658 (cpp_read_file): Likewise.
6659 (find_include_file): Likewise. Properly initialize
6660 ih->nshort. Share ih->name and ih->nshort if possible.
6661 * cpphash.c (_cpp_calc_hash): New function.
6662 (hash_HASHNODE): Just return h->hash.
6663 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6664 htab_find_with_hash.
6665 * cpphash.h: Prototype _cpp_calc_hash.
6666 * cppinit.c (initialize_builtins): Provide a valid hash
6667 to _cpp_make_hashnode, using _cpp_calc_hash.
6669 * cpphash.c (collect_expansion): # is not a special character
6670 in object-like macros. In -traditional mode, /**/ is not
6671 token paste at the beginning or end of the line.
6672 * cpplib.c (do_include, do_import, do_include_next): If
6673 parse_include fails, return immediately.
6675 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6677 * config/arm/arm.md (return peepholes): Update to reflect the new
6679 * config/arm/arm.c (arm_volatile_func): Also check
6680 current_function_nothrow.
6681 (output_return_instruction, output_func_prologue): Use it.
6682 (arm_output_epilogue, arm_expand_prologue): Likewise.
6684 2000-03-27 Tom Tromey <tromey@cygnus.com>
6686 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6689 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6691 * expr.c (store_constructor): SIZE now signed.
6692 For EXPR_SIZE, don't evaluate size; just needed if constant.
6693 * fold-const.c (fold): Fix a number of cases when folded tree is
6695 * function.c (flush_addressof): Reenable.
6696 * tree.h (flush_addressof): Likewise.
6697 * toplev.c (independent_decode_option): Look at strings_processed.
6698 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6700 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6702 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6703 Allow stack adjustment after function call.
6705 * regmove.c (struct csa_memlist): Make mem field rtx *.
6706 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6707 (try_apply_stack_adjustment): Replace whole MEM rtx.
6708 (combine_stack_adjustments_for_block): Update calls
6709 to record_one_stack_ref.
6711 2000-03-28 Neil Booth <NeilB@earthling.net>
6713 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6714 '\\' rather than a null character, so nulls are not special. Fix
6715 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6716 speed trigraph conversion.
6717 (_cpp_init_input_buffer): Initialize trigraph map.
6719 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6721 * config/i386/i386.c (output_387_binary_op): Correct intel
6722 mode assembly output, and add spaces after commas in AT&T
6723 output. Correct Unixware assembler comment. Document input
6724 constraints. Comment fp operations. Reduce profligate buffer
6725 size. Remove extraneous abort. Localize temp var.
6726 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6727 (output_fix_trunc): Add spaces after commas in assembly output.
6729 2000-03-27 Richard Henderson <rth@cygnus.com>
6731 * i386-protos.h (ix86_match_ccmode): Declare.
6732 * i386.c (ix86_match_ccmode): New.
6733 (ix86_expand_fp_compare): Update for pattern renames.
6734 (ix86_expand_strlensi_unroll_1): Likewise.
6735 * i386.h (EXTRA_CC_MODES): Add CCZ.
6736 (SELECT_CC_MODE): Use it for EQ/NE zero.
6737 * i386.md (cmpsi_ccz_1): New.
6739 (*testsi_ccz_1): New.
6740 (testqi_ccz_1): New.
6741 (cmpsi_ccno_1): Rename from cmpsi_0.
6742 (testsi_ccno_1): Rename from testsi_1.
6743 (testqi_ccno_1): Rename from testqi_1.
6744 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6745 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6746 (*cmphi_0): Use ix86_match_ccmode.
6747 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6748 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6749 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6750 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6751 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6752 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6753 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6754 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6755 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6756 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6757 (appropriate peepholes): Likewise.
6758 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6759 (*subsi_3, *subhi_3, *subqi_3): Remove.
6760 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6761 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6762 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6763 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6764 (x86_shift_adj_1): Use CCZ.
6765 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6767 2000-03-27 Stan Cox <scox@cygnus.com>
6769 * resource.h (mark_resource_type): New.
6770 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6771 find_free_register): Use mark_resource_type.
6772 (mark_set_resources): Change include_delayed_effects
6773 to mark_resource_type.
6774 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6775 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6776 Use mark_resource_type.
6778 2000-03-27 Richard Henderson <rth@cygnus.com>
6780 * i386.md (call_pop_0, call_value_pop_0): New.
6781 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6782 (call_value_pop_1): Likewise.
6783 (call_0, call_value_0): New.
6784 (call_1, call_value_1): Remove constraint from unused arg.
6786 2000-03-27 Nick Clifton <nickc@cygnus.com>
6788 * invoke.texi (Spec Files): Document new spec % command created by
6789 Tom Tromey's recent patch.
6791 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6793 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6796 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6798 * expr.c (expand_assignment): Fix typo in last change.
6800 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6802 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6804 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6805 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6806 and DECL_INLINE if FUNCTION_DECL.
6807 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
6808 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
6809 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
6810 (combine_parm_decls): Likewise.
6811 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
6812 * print-tree.c (print_node): Likewise.
6813 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
6814 DECL_TRANSPARENT_UNION on proper decl types.
6815 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
6816 * stor-layout.c (layout_decl): Only check DECL_PACKED and
6817 DECL_BIT_FIELD of FIELD_DECL.
6818 * tree.h (DECL_RESULT_FLD): New macro.
6820 * expr.c (expand_assignment): Add code to handle variable-sized
6823 2000-03-26 Richard Henderson <rth@cygnus.com>
6825 * calls.c (expand_call): Pass parms not original exp to
6826 optimize_tail_recursion. Mind return value instead of looking
6828 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
6829 call_expr. Move checks for call_expr and current_function_decl ...
6830 (expand_return): ... here.
6832 2000-03-26 Tom Tromey <tromey@cygnus.com>
6834 * gcc.c (handle_braces): Recognize `%{<S}' construct.
6835 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
6837 (process_command): Use them.
6838 (check_live_switch): Likewise.
6839 (give_switch): Skip ignored switches.
6841 2000-03-26 Jan Hubicka <jh@suse.cz>
6843 * jump.c (jump_optimize_1): Fix typo in elide optimizations
6844 for minimal jump pass test.
6846 2000-03-26 Mark Mitchell <mark@codesourcery.com>
6848 * integrate.c (function_cannot_inline_p): Do inline functions that
6851 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6853 * stor-layout.c (layout_type, set_sizetype): early_type_list is
6854 now a list of TREE_LIST entries, not types.
6855 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
6857 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
6858 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
6860 * config/mips/mips.c (function_arg): Likewise; also remove cast
6861 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
6862 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
6863 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
6864 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
6865 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
6866 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
6867 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
6868 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
6869 num_adjusts now unsigned.
6870 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
6871 * config/sparc/sparc.c (struct function_arg_record_value_parms):
6873 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
6874 as is BITPOS variable; use host_integerp and int_bit_position.
6875 (function_arg_record_value_2): Likewise.
6876 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
6877 Variable REGNO now unsigned.
6878 (function_arg_record_value): NREGS now unsigned.
6880 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6882 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
6884 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6886 * Rework fields used to describe positions of bitfields and
6887 modify sizes to be unsigned and use HOST_WIDE_INT.
6888 * alias.c (reg_known_value_size): Now unsigned.
6889 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
6890 (really_start_incremental_init): Use bitsize_zero_node.
6891 (push_init_level, pop_init_level, output_init_element): Likewise.
6892 Use bitsize_unit_node and bitsize_one_node.
6893 (output_pending_init_elements, process_init_element): Likewise.
6894 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
6895 (make_extraction): Position and length HOST_WIDE_INT and unsigned
6896 HOST_WIDE_INT, respectively.
6897 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
6898 (num_sign_bit_copies): Returns unsigned.
6899 BITWIDTH now unsigned; rework arithmetic.
6900 Remove recursive call from arg to MAX.
6901 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
6902 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
6904 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
6905 (find_split_point, expand_compound_operation, make_extraction): LEN
6906 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
6907 (make_field_assignment): Likewise.
6908 (combine_simplify_rtx): Add cast.
6909 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
6910 (force_to_mode): WIDTH now unsigned; add cast.
6911 (if_then_else_cond): SIZE now unsigned.
6912 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
6913 (extended_count): Now returns unsigned.
6914 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
6915 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
6916 (simplify_comparison): MODE_WIDTH now unsigned.
6917 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
6918 (mark_used_regs_combine): Likewise; rework arithmetic.
6919 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
6920 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
6921 (record_promoted_value): REGNO now unsigned.
6922 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
6923 (get_last_value): REGNO now unsigned.
6924 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
6925 (reg_dead_regno, reg_dead_endregno): Now unsigned.
6926 (remove_death): Arg REGNO now unsigned.
6927 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
6928 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
6930 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
6931 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
6932 (struct cse_reg_info): REGNO now unsigned.
6933 (cached_regno): Now unsigned.
6934 (REGNO_QTY_VALID_P): Add cast.
6935 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
6936 (remove_invalid_regs): Likewise.
6937 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
6938 as are variables END and I.
6939 (get_cse_reg_info, insert): Likewise.
6940 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
6941 (canon_hash): Likewise.
6942 (insert_regs, lookup_for_remove): REGNO now unsigned.
6943 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
6945 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
6946 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
6947 * emit-rtl.c (subreg_realpart_p): Add cast.
6948 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
6949 (operand_subword_force): Arg I is now unsigned.
6950 * except.c (eh_regs): Variable I is now unsigned.
6951 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
6952 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
6953 length is unsigned HOST_WIDE_INT; likewise for internal variables.
6954 (store_split_bit_field, extract_fixed_bit_field): Likewise.
6955 (extract_split_bit_field, store_bit_field, extract_bit_field):
6957 * expr.c (store_constructor_fields, store_constructor, store_field):
6958 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
6959 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
6960 (do_jump): Likewise.
6961 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
6962 MAX_SIZE is now unsigned.
6963 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
6964 (emit_group_store): Likewise.
6965 (emit_move_insn): I now unsigned.
6966 (store_constructor): Use host_integerp, tree_low_cst, and
6968 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
6969 Rework all calculations to use trees and new fields.
6970 * expr.h (promoted_input_arg): Regno now unsigned.
6971 (store_bit_field, extract_bit_field): Adjust types of pos and size.
6972 (mark_seen_cases): Arg is HOST_WIDE_INT.
6973 * flow.c (verify_wide_reg_1): REGNO now unsigned.
6974 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
6975 precisions and alignments are unsigned.
6976 (optimize_bit_field_compare, fold_truthop): Likewise.
6977 (int_const_binop): Adjust threshold for size_int_type_wide call.
6978 (fold_convert): Likewise.
6979 (size_int_type_wide): Make table larger and fix thinko that only
6980 had half of table used.
6981 (all_ones_mask_p, fold): Precisions are unsigned.
6982 * function.c (put_reg_info_stack): REGNO is unsigned.
6983 (instantiate_decl): Size is HOST_WIDE_INT.
6984 (instantiate_virtual_regs): I is unsigned.
6985 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
6986 (promoted_input_arg): REGNO is unsigned.
6987 * function.h (struct function): x_max_parm_reg is now unsigned.
6988 * gcse.c (max_gcse_regno): Now unsigned.
6989 (struct null_pointer_info): min_reg and max_reg now unsigned.
6990 (lookup_set, next_set): REGNO arg now unsigned.
6991 (compute_hash_table): REGNO and I now unsigned.
6992 (handle_avail_expr): regnum_for_replacing now unsigned.
6993 (cprop_insn): REGNO now unsigned.
6994 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
6995 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
6996 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
6997 * hard-reg-set.h (reg_class_size): Now unsigned.
6998 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
6999 * jump.c (mark_modified_reg): I now unsigned; add cast.
7000 (rtx_equal_for_thread_p): Add cast.
7001 * loop.c (max_reg_before_loop): Now unsigned.
7002 (struct_movable): REGNO now unsigned.
7003 (try_copy_prop): REGNO arg unsigned.
7004 (regs_match_p): XN and YN now unsigned.
7005 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7006 (strength_reduce): Likewise; NREGS also unsigned.
7007 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7008 * loop.h (struct iv_class): REGNO now unsigned.
7009 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7011 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7012 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7013 * optabs.c (expand_binop): I and NWORDS now unsigned.
7014 (expand_unop): I now unsigned.
7015 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7016 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7017 * real.c (significand_size): Now returns unsigned.
7018 * real.h (significand_size): Likewise.
7019 * regclass.c (reg_class_size): Now unsigned.
7020 (choose_hard_reg_mode): Both operands now unsigned.
7021 (record_reg_classes): REGNO and NR now unsigned.
7022 (reg_scan): NREGS now unsigned.
7023 (reg_scan_update): old_max_regno now unsigned.
7024 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7025 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7026 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7027 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7028 Likewise for variable R.
7029 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7030 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7031 (find_equiv_reg): Add casts.
7032 (regno_clobbered_p): Arg REGNO now unsigned.
7033 * reload.h (struct reload): NREGS now unsigned.
7034 (refers_to_regno_for_reload_p): Regno args are unsigned.
7035 (regno_clobbered_p): Likewise.
7036 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7037 (compute_use_by_pseudos): REGNO now unsigned.
7038 (find_reg): I and J now unsigned, new variable K, and change loop
7039 variables accordingly; THIS_NREGS now unsigned.
7040 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7041 (spill_hard_reg): REGNO arg now unsigned; add casts.
7042 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7043 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7044 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7045 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7046 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7047 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7048 (emit_reload_insns): REGNO now unsigned.
7049 (reload_cse_move2add): Add cast.
7050 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7052 * resource.c (mark_referenced_resources, mark_set_resources): New
7053 variable R; REGNO and LAST_REGNO now unsigned.
7054 (mark_target_live_regs): J and REGNO now unsigned.
7055 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7056 * rtl.h (union rtunion_def): New field rtuint.
7057 (XCUINT): New macro.
7058 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7059 (operand_subword, operand_subword_force): Word number is unsigned.
7060 (choose_hard_reg_mode): Operands are unsigned.
7061 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7062 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7063 (regno_use_in, combine_instructions, remove_death): Likewise.
7064 (reg_scan, reg_scan_update): Likewise.
7065 (extended_count): Return is unsigned.
7066 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7067 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7068 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7069 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7070 (reg_reg_last_1): FIRS and LAST now unsigned.
7071 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7072 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7074 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7075 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7076 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7077 (replace_regs): Arg NREGS now unsigned.
7078 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7079 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7080 (simplify_binary_operation): Likewise.
7081 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7082 THIS_LAST now unsigned.
7083 (cselib_record_set): Add cast.
7084 * ssa.c (ssa_max_reg_num): Now unsigned.
7085 (rename_block): REGNO now unsigned.
7086 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7088 (all_cases_count): Just return -1 not -2.
7089 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7090 Rework tests to use trees whenever possible.
7091 Use host_integerp and tree_low_cst.
7092 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7093 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7094 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7095 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7096 (smallest_mode_for_size): Likewise.
7097 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7098 KNOWN_ALIGN is now an alignment, so simplify code.
7099 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7100 (start_record_layout): Renamed from new_record_layout_info.
7101 Update to new fields.
7102 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7104 (place_union_field): Renamed from layout_union_field.
7105 Update to use new fields in rli.
7106 (place_field): Renamed from layout_field.
7107 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7108 (finalize_record_size): Rework to use new fields in rli and handle
7110 (compute_record_mode): Rework to simplify and to use new DECL fields.
7111 (finalize_type_size): Make rounding more consistent.
7112 (finish_union_layout): Deleted.
7113 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7114 (layout_type, case RECORD_TYPE): Call new function names.
7115 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7116 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7117 (get_best_mode): UNIT is now unsigned; remove casts.
7118 * tree.c (bit_position): Compute from new fields.
7119 (byte_position, int_byte_position): New functions.
7120 (print_type_hash_statistics): Cast to remove warning.
7121 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7122 (build_index_type): Likewise; make subtype of sizetype.
7123 (build_index_2_type): Pass sizetype to build_range_type.
7124 (build_common_tree_nodes): Use size_int and bitsize_int to
7125 initialize nodes; add bitsize_{zero,one,unit}_node.
7126 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7127 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7128 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7129 (DECL_FIELD_BITPOS): Deleted.
7130 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7131 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7132 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7133 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7134 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7135 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7136 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7137 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7138 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7139 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7140 (DECL_ALIGN): Adjust to new field in union.
7141 (DECL_OFFSET_ALIGN): New field.
7142 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7143 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7144 (union tree_decl): Add struct for both aligns.
7145 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7146 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7147 (struct record_layout_info): Rework fields to have offset
7148 alignment and byte and bit position.
7149 (start_record_layout, place_field): Renamed from old names.
7150 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7151 (byte_position, int_byte_position): Likewise.
7152 (get_inner_reference): Change types of position and length.
7153 * unroll.c (unroll_loop): New variable R; use for some loops.
7154 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7155 (calculate_giv_inc): Arg REGNO now unsigned.
7156 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7157 * varasm.c (assemble_variable): Clean up handling of size using
7158 host_integerp and tree_low_cst.
7159 (decode_addr_const): Use byte, not bit, position.
7160 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7161 use tree_low_cst and int_bit_position.
7162 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7164 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7166 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7167 (reorder_block_def): New members eff_head and eff_end.
7168 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7169 (verify_insn_chain): New function.
7170 (skip_insns_between_block): Add code to skip deleted insns.
7171 Check for note before using.
7172 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7173 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7174 Check for note before using.
7175 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7176 (fixup_reorder_chain): Restructure, clean up, defect removal.
7177 (reorder_basic_blocks): Remove last_insn and references to it.
7178 Moved insn chain verification code into a new function (see above).
7179 Delete defective code that sets last insn.
7180 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7183 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7185 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7187 2000-03-24 Richard Henderson <rth@cygnus.com>
7189 * tree.c (lang_safe_for_unsave): Remove.
7190 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7191 allowing for two levels of unsafeness. Remove lang hook.
7192 * tree.h: Update declarations.
7193 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7194 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7195 Always fail sibcalls when there are pending cleanups.
7197 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7199 * flow.c (propagate_block): When we delete an ADDR_VEC,
7200 also delete the BARRIER following it if there is one.
7202 2000-03-24 Richard Henderson <rth@cygnus.com>
7204 * builtins.c (expand_builtin_bzero): Convert `length' argument
7207 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7209 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7210 comparison if regno's are equal.
7211 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7212 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7213 (expand_call): Update caller.
7214 Avoid making a sibling call if argument size of the callee is larger
7215 than argument size of the caller.
7216 Call hard_function_value with outgoing set if in sibcall pass.
7217 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7219 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7220 Change LEAF_REGISTERS from an array initializer to actual array
7221 identifier. Move static global variable into the function.
7222 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7223 sequences for leaf functions.
7224 * global.c (global_alloc): Likewise.
7225 * tm.texi (LEAF_REGISTERS): Update documentation.
7227 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7228 TARGET_FLAT leaf disabling hack.
7229 (LEAF_REGISTERS): Changed from an array initializer to actual array
7230 identifier to avoid duplication and remove the above hack.
7231 (FUNCTION_OK_FOR_SIBCALL): Define.
7232 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7233 always like call attribute.
7234 (eligible_for_sibcall_delay): New attribute.
7235 (sibcall): New delay type.
7236 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7237 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7238 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7239 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7240 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7242 (output_function_epilogue): Move part of the code into
7243 output_restore_regs.
7244 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7246 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7249 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7250 until infrastructure is finished.
7252 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7254 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7255 (save_parm_insns): Not here.
7257 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7259 * builtins.c (expand_builtin_bzero): New function.
7260 (expand_builtin): Handle bzero.
7262 * builtins.def: Add BUILT_IN_BZERO.
7264 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7265 prototype & function for bzero.
7267 2000-03-23 Michael Meissner <meissner@redhat.com>
7269 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7270 change adding TARGET_FP to the TF floating point insns, except for
7271 trunctfsf2, which generates direct calls to truncdfsf2.
7273 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7275 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7276 try to protect against middle-end changes that break binary
7278 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7280 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7282 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7284 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7286 * calls.c (expand_call): If TARGET is passed by reference and
7287 is readonly, write a CLOBBER.
7289 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7291 * builtins.c (expand_builtin): Handle bcmp.
7293 * builtins.def: Add BUILT_IN_BCMP.
7295 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7296 prototype & function for bcmp.
7298 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7300 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7301 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7302 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7304 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7306 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7307 alternative when using -fp64 -gp32.
7309 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7311 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7312 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7313 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7315 * frame.h (frame_state): Revert last change.
7316 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7317 * libgcc2.c (throw_helper): Revert last change.
7319 2000-03-22 Richard Henderson <rth@cygnus.com>
7321 * stmt.c (expand_asm_operands): Don't promote the temporary.
7323 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7325 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7326 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7327 c_get_alias_set): Likewise.
7328 * c-decl.c (duplicate_decls): Likewise.
7329 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7330 * calls.c (initialize_argument_information): Likewise.
7331 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7333 * dwarfout.c (decl_class_context,output_type): Likewise.
7334 * expr.c (get_inner_reference): Likewise.
7335 * fold-const.c (simple_operand_p,fold): Likewise.
7336 * function.c (aggregate_value_p): Likewise.
7337 * stmt.c (expand_asm_operands): Likewise.
7338 * varasm.c (named_section): Likewise.
7340 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7342 Implement dwarf2 exception handling for the ARM.
7343 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7344 (DWARF_FRAME_RETURN_COLUMN): Define.
7345 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7346 REG_FRAME_RELATED_EXPR note.
7347 (emit_sfm): Likewise.
7348 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7349 * dwarf2out.c (reg_save): Handle saving a register to itself.
7350 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7351 * except.c (eh_regs): Don't use the static chain reg if it's
7353 * frame.h (frame_state): Add cfa_saved field.
7354 * frame.c (execute_cfa_insn): Set it.
7355 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7357 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7359 (instantiate_virtual_regs): Adjust.
7361 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7362 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7363 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7365 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7366 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7368 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7370 * builtins.def: New file.
7372 * Makefile.in (TREE_H): Depend on builtins.def.
7374 * builtins.c (built_in_names): Use builtins.def.
7376 * tree.h (built_in_function): Likewise.
7378 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7380 * tree.c (size_in_bytes): Return size_zero_node, not
7383 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7385 * config/fp-bit.c (pack_d): Correct the case when a denormal
7386 is rounded up and stops being denormal.
7388 2000-03-21 Richard Henderson <rth@cygnus.com>
7390 * config/alpha/alpha.c (function_arg): Check for void_type_node
7391 before using MUST_PASS_IN_STACK.
7393 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7395 * regmove.c (combine_stack_adjustments_for_block): Check that
7396 the stack pointer is a valid memory address.
7398 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7400 * calls.c: re-install Mar 16 emit_library_call merge.
7402 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7404 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7405 we cannot be sure that if reload_completed base register will
7406 be properly aligned.
7408 2000-03-21 Richard Henderson <rth@cygnus.com>
7410 * flow.c (delete_block): Fix typo last change.
7412 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7414 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7415 not COMPLETE_TYPE_P, to check the type of the expression.
7417 2000-03-21 Michael Meissner <meissner@redhat.com>
7419 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7420 all floating point insns that just tested the macro
7421 TARGET_HAS_XFLOATING_LIBS.
7422 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7423 used to only use the gprs.
7425 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7427 * tree.h (COMPLETE_TYPE_P): New macro.
7428 (COMPLETE_OR_VOID_TYPE_P): New macro.
7429 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7430 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7431 * c-aux-info.c (gen_type): Use them.
7432 * c-common.c (c_expand_expr_stmt): Likewise.
7433 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7434 grokdeclarator, grokparms, finish_struct, start_function,
7435 store_parm_decls, combine_parm_decls): Likewise.
7436 * c-parse.y (cast_expr): Likewise.
7437 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7438 c_size_in_bytes, c_alignof, build_component_ref,
7439 build_indirect_ref, build_array_ref, convert_arguments,
7440 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7441 * calls.c (initialize_argument_information): Likewise.
7442 * convert.c (convert_to_integer): Likewise.
7443 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7444 * dwarfout.c (location_or_const_value_attribute,
7445 output_enumeration_type_die, output_structure_type_die,
7446 output_union_type_die, output_type): Likewise.
7447 * expr.c (safe_from_p, expand_expr): Likewise.
7448 * function.c (assign_parms): Likewise.
7449 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7450 * tree.c (build_array_type, build_function_type,
7451 build_method_type, build_offset_type, build_complex_type): Likewise.
7452 * c-parse.c, c-parse.h: Regenerated.
7454 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7456 * config/c4x/rtems.h: Include config/rtems.h.
7458 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7460 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7461 decl is a FUNCTION_DECL
7463 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7465 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7466 function uses output registers. Don't save RP for leaf functions.
7467 Do save RP even if no epilogue.
7468 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7469 (CALL_USED_REGISTERS): Unmark in registers.
7470 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7473 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7475 * config/rs6000/rs6000.md (bunordered): New expander.
7476 (bordered): New expander.
7477 (buneq): New expander.
7478 (bunge): New expander.
7479 (bungt): New expander.
7480 (bunle): New expander.
7481 (bunlt): New expander.
7482 (bltgt): New expander.
7484 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7485 (ccr_bit_negated_p): New function.
7486 (print_operand): For %C, generate appropriate cror for UNEQ,
7487 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7489 2000-03-20 Andreas Jaeger <aj@suse.de>
7491 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7494 * tree.h (safe_for_unsave): Prototype.
7496 2000-03-20 Richard Henderson <rth@cygnus.com>
7498 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7499 (combine_stack_adjustments_for_block): Don't allow sp references
7500 in the side of a set we're not fixing up.
7501 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7502 after life_analysis.
7504 2000-03-20 Richard Henderson <rth@cygnus.com>
7506 * calls.c (expand_call): Don't bother generating tail call
7507 sequences if there are pending cleanups. Use
7508 expand_start_target_temps/expand_end_target_temps to elide
7509 cleanups created during sibcall expansion.
7511 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7513 * configure.in: Set $IFS to a value if it doesn't already have one
7514 in the --enable-checking handling.
7515 * configure: Regenerate.
7517 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7519 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7520 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7523 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7525 * jump.c (delete_noop_moves): Remove code attempting to
7526 combine stack adjustments.
7528 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7530 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7531 * except.c (emit_cleanup_handler): Use them.
7532 (expand_end_all_catch): Likewise.
7533 * function.c (fixup_var_refs): Likewise.
7534 (expand_function_end): Clear catch_clauses_last.
7535 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7536 * except.h (struct eh_status): New field x_catch_clauses_last.
7537 (catch_clauses_last): New define.
7539 * Makefile.in (tree.o): Depend on HASHTAB_H.
7540 * tree.c: Include hashtab.h.
7541 (struct type_hash): Remove next field.
7542 (TYPE_HASH_SIZE): Remove.
7543 (TYPE_HASH_INITIAL_SIZE): New define.
7544 (type_hash_table): Change type to htab_t.
7545 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7546 mark_hash_entry): New functions.
7547 (init_obstacks): Allocate type hash.
7548 (type_hash_lookup): Use htab functions.
7549 (type_hash_add, mark_type_hash): Likewise.
7550 (dump_tree_statistics): Call print_type_hash_statistics.
7552 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7554 * rs6000/t-aix41: New file.
7556 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7558 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7560 * tm.texi (Driver): Fix typos and tweak entry for
7562 Move misplaced STRUCT_FORCE_BLK entry ...
7563 (Storage Layout): ... to here.
7564 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7566 2000-03-19 Richard Henderson <rth@cygnus.com>
7568 * flow.c (delete_block): Delete the addr_vec along with the block.
7569 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7572 * fold-const.c (extract_muldiv): Apply type check for defined
7573 overflow to multiply as well as divide.
7575 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7577 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7579 * emit-rtl.c (remove_unncessary_notes): Check that all
7580 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7581 associated NOTE_BLOCK.
7582 * function.h (identify_blocks): Update comments.
7583 (reorder_blocks): Declare.
7584 * function.c (identify_blocks): Don't take paramters.
7585 (reorder_blocks): Don't take parameters.
7586 * loop.h (find_loop_tree_blocks): Remove.
7587 (unroll_block_trees): Likewise.
7588 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7589 reorder_blocks instead of unroll_block_trees.h
7590 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7591 * stmt.c (find_loop_tree_blocks): Remove.
7592 (unroll_block_trees): Likewise.
7593 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7594 in whole-function mode.
7595 * tree.h (reorder_blocks): Remove declaration.
7597 * expr.c: Include intl.h.
7598 * Makefile.in (expr.o): Depend on intl.h.
7600 2000-03-18 Richard Henderson <rth@cygnus.com>
7602 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7604 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7606 * tree.h (tree_index): Remove enumerals for integer types.
7607 (integer_type_kind): New type.
7608 (integer_types): New variable.
7609 (char_type_node): Adjust.
7610 (signed_char_type_node): Likewise.
7611 (unsigned_char_type_node): Likewise.
7612 (short_integer_type_node): Likewise.
7613 (short_unsigned_type_node): Likewise.
7614 (integer_type_node): Likewise.
7615 (unsigned_type_node): Likewise.
7616 (long_integer_type_node): Likewise.
7617 (long_unsigned_type_node): Likewise.
7618 (long_long_integer_type_node): Likewise.
7619 (long_long_unsigned_type_node): Likewise.
7620 * tree.c (integer_types): New variable.
7621 (init_obstacks): Register it as a root.
7623 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7625 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7626 NEXT_INSN. Update last insn in chain.
7628 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7630 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7631 with TYPE_DECL_SUPPRESS_DEBUG set.
7633 2000-03-18 Richard Henderson <rth@cygnus.com>
7635 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7637 2000-03-18 Richard Henderson <rth@cygnus.com>
7639 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7640 care for HALF_PIC_P.
7641 (expander_call_insn_operand): Remove.
7642 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7643 * i386.h (PREDICATE_CODES): Update.
7644 * i386.md (all call expanders): Remove predicates, remove special
7645 handling for half-pic.
7646 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7647 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7648 (sibcall_epilogue): New.
7650 2000-03-17 Richard Henderson <rth@cygnus.com>
7652 * rtlanal.c (single_set): Reject if the parallel has anything
7653 except SET or USE or CLOBBER.
7655 2000-03-17 Jeff Law <law@cygnus.com>
7656 Richard Henderson <rth@cygnus.com>
7658 * Makefile.in (OBJS): Add sibcall.o.
7660 * sibcall.c: New file.
7661 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7662 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7663 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7664 Emit sibcall patterns when requested. Update all callers.
7665 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7666 elimination seems feasable.
7667 * final.c (leaf_function_p): Sibling calls don't discount being
7669 * flow.c (HAVE_sibcall_epilogue): Provide default.
7670 (find_basic_blocks_1): Sibling calls don't throw.
7671 (make_edges): Make edge from sibling call to EXIT.
7672 (propagate_block): Don't remove sibcall_epilogue insns.
7673 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7674 (sibcall_epilogue): New.
7675 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7676 (identify_blocks_1): Likewise. Break out from ...
7677 (identify_blocks): ... here.
7678 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7679 (reorder_blocks): ... here.
7680 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7681 (record_insns): Extend a varray instead of mallocing new memory.
7682 (contains): Read a varray not array of ints.
7683 (sibcall_epilogue_contains): New.
7684 (thread_prologue_and_epilogue_insns): Emit and record
7685 sibcall_epilogue patterns.
7686 (init_function_once): Allocate prologue/epilogue varrays.
7687 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7688 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7690 (save_for_inline_nocopy): ... here.
7691 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7693 (expand_inline_function): ... here.
7694 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7695 (subst_constants): Handle 'n' formats.
7696 * jump.c (jump_optimize_minimal): New.
7697 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7698 optimizations if it's set.
7699 * rtl.c (copy_rtx): Do copy jump & call for insns.
7700 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7701 (SIBLING_CALL_P): New.
7702 (sibcall_use_t): New.
7703 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7704 Invoke optimize_sibling_and_tail_recursive_calls.
7705 * tree.c (lang_safe_for_unsave): New.
7706 (safe_for_unsave): New.
7707 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7709 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7710 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7711 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7713 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7715 * objc/objc-act.c (encode_method_prototype): Pass types, not
7716 PARM_DECLs, to int_size_in_bytes.
7718 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7720 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7722 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7723 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7725 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7727 * Clean up usages of TREE_INT_CST_LOW.
7728 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7729 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7731 * c-tree.h (min_precision): Move declaration to here.
7732 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7733 (build_unary_op, add_pending_init): Use bit_position.
7734 (pending_init_member, process_init_element): Likewise.
7735 (really_start_incremental_init, push_init_level, pop_init_level):
7736 Don't make copies of nodes or modify them in place, use consistent
7737 types when tracking positions, and use tree routines computations.
7738 (set_init_index, output_init_element): Likewise.
7739 (output_pending_init_elements, process_init_element): Likewise.
7740 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7741 tree_low_cst and int_bit_position; also minor cleanup.
7742 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7743 (print_cst_octal): Precision is unsigned.
7744 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7745 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7746 (simple_type_align_in_bits): Result is unsigned int.
7747 Use tree_int_low_cst and host_integerp.
7748 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7749 (field_byte_offset): Result is HOST_WIDE_INT.
7750 Change types of internal variables so alignments are unsigned int,
7751 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7752 Use host_integerp, tree_low_cst, and int_bit_position.
7753 (add_bit_offset_attribute): Likewise.
7754 (add_data_member_location_attribute): Use tree_cst_low.
7755 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7756 (add_bit_size_attribute): Use tree_low_cst.
7757 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7758 * dwarfout.c: Similar changes to dwarf2out.c.
7759 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7760 * genoutput.c (n_occurences): Return -1 for null string.
7761 (strip_whitespace): Accept null string and make into function.
7762 (scan_operands): Reflect above changes.
7763 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7764 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7765 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7766 * tree.c (int_size_in_bytes): Check for too big to represent.
7767 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7768 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7770 (min_precision): Delete from here.
7771 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7772 and int_bit_position.
7773 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7774 (encode_method_def): Likewise.
7775 (build_ivar_list_initializer): Use int_bit_position.
7776 (generate_shared_structures): Convert size.
7777 (encode_type, encode_complete_bitfield): Use integer_zerop.
7778 (encode_bitfield): Use tree_low_cst and int_bit_position.
7780 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7782 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7784 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7786 * call.c (special_function_p): It is only malloc if it returns
7789 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7791 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7792 (C33_FLAG, TARGET_C3X): Add macros.
7793 (TARGET_SWITCHES): Add -m33 option.
7794 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7796 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7798 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7799 (PARALLEL_PACK_FLAG): Delete.
7800 (TARGET_SWITCHES): Update.
7801 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7803 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7805 * fold-const.c (fold): Fix a few cases when the returned result
7806 is not of the same type as the input.
7808 2000-03-16 Nick Clifton <nickc@cygnus.com>
7810 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
7813 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7815 * libgcc2.h: Move prototypes above macros with the same name.
7816 Wrap some function prototypes in the conditional which indicates
7817 whether they are supported, i.e. "BITS_PER_UNIT == 8".
7819 2000-03-16 Richard Henderson <rth@cygnus.com>
7821 * calls.c: Revert last two changes.
7823 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
7825 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
7826 has exponent 0 is a zero.
7828 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
7829 HASH may already be nonzero. Add code/mode into hash value
7830 immediately after repeat label.
7831 (cselib_lookup): Don't leave the hash table in an inconsistent
7832 state before a hash lookup operation.
7834 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
7836 * i386.md (all HI and QI mode non-move patterns): Conditionize
7837 by TARGET_[HQ]IMODE_MATH.
7838 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7839 x86_promote_qi_regs): Declare.
7840 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
7841 TARGET_PROMOTE_QI_REGS): New macros.
7842 (PROMOTE_MODE): New macro.
7843 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
7844 x86_promote_qi_regs): New global variables.
7846 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
7848 * calls.c (emit_library_call_value_1): Break out from ...; handle
7849 VOIDmode function calls too.
7850 (emit_library_call_value): ... here.
7851 (emit_library_call): Implement by calling emit_library_call_value_1.
7853 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
7855 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
7856 Update arg_space_so_far on stack adjustments.
7857 (emit_library_call, emit_library_call_value): Likewise; take into
7858 account arg_space_so_far and pending_stack_adjust when calculcating
7861 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
7863 * flow.c: Move all basic block reordering code into its own file.
7864 (create_basic_block): Externalize.
7865 * bb-reorder.c: New file. Copy all basic block reordering code from
7866 flow.c to this file.
7867 (reorder_basic_blocks): Fix fencepost error in for-loop.
7868 (reorder_basic_blocks): Remove braces from single statement for-loops.
7869 * basic-block.h: Add declaration for create_basic_block.
7870 * Makefile.in: Add rules for bb-reorder.o.
7872 2000-03-16 Neil Booth <NeilB@earthling.net>
7874 * cppinit.c (handle_option): Implement #unassert directive
7875 as -A- command line option.
7876 (print_help): Update.
7877 * cpptexi.c: Update.
7879 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
7881 * md.texi (Standard Names): Document `jump'.
7883 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
7885 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
7888 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7890 Merge changes from newppc-branch onto trunk.
7892 2000-03-15 Geoff Keating <geoffk@cygnus.com>
7894 * rs6000.c (toc_hash_table): Update for new hash table functions.
7895 (toc_hash_function): Likewise.
7896 (toc_hash_eq): Likewise.
7897 (toc_hash_mark_entry): Likewise.
7898 (toc_hash_mark_table): Likewise.
7899 (output_toc): Likewise.
7900 (rs6000_add_gc_roots): Likewise.
7902 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7904 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
7905 (AR_FLAGS_FOR_TARGET): here. New macro.
7907 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
7909 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
7910 fpmem_operand) Delete.
7912 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
7913 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
7914 (rs6000_save_machine_status, rs6000_restore_machine_status,
7915 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
7916 references to above variables.
7917 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
7918 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
7919 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
7920 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
7921 (XER_REGNO_P, XER_REGNO): New.
7922 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
7923 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
7924 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
7926 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
7927 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
7928 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
7930 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7932 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
7933 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
7934 * rs6000.h: from here.
7936 * rs6000-protos.h (rs6000_select_section): Provide prototype.
7937 (rs6000_select_rtx_section): Likewise.
7938 (rs6000_encode_section_info): Likewise.
7939 (sdata_section): Likewise.
7940 (sdata2_section): Likewise.
7941 (sbss_section): Likewise.
7942 * sysv4.h (rs6000_select_section): Delete prototype.
7943 (rs6000_select_rtx_section): Likewise.
7944 (rs6000_encode_section_info): Likewise.
7945 (sdata_section): Likewise.
7946 (sdata2_section): Likewise.
7947 (sbss_section): Likewise.
7948 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
7950 * sysv4.h: Delete various unnecessary #undef's and put a comment
7951 on the remaining ones.
7952 Change various comments according to coding standard.
7954 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
7956 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
7957 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
7958 (CR0_REGNO_P) Remove.
7959 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
7960 setup_incoming_varargs, mtcrf_operation, print_operand,
7961 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
7962 Use the above macros.
7964 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
7966 * config/rs6000/rs6000.md: Added a new alternative for each
7967 pattern that had a 'x' alternative but no 'y' alternative.
7968 Added a new split for each of the above patterns.
7970 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7972 * aix41.h (ASM_CPU_SPEC): Delete.
7973 (CPP_CPU_SPEC): Delete.
7975 * aix.h (RS6000_OUTPUT_BASENAME): Define.
7976 (ASM_OUTPUT_LABEL): Define.
7977 (ASM_GLOBALIZE_LABEL): Define.
7978 (STRIP_NAME_ENCODING): Define.
7979 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
7980 (STRIP_NAME_ENCODING): Don't define.
7981 (ASM_OUTPUT_LABEL): Don't define.
7982 (ASM_GLOBALIZE_LABEL): Don't define.
7983 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
7984 names, and ASM_OUTPUT_LABEL to output labels, rather than
7986 (ASM_OUTPUT_LABEL): Define.
7987 (ASM_OUTPUT_INT): Use assemble_name.
7988 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
7989 (STRIP_NAME_ENCODING): Don't undefine first.
7990 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
7992 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
7993 specified with 'asm' even with -fleading-underscore.
7994 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
7995 (output_epilog): Likewise.
7996 (output_toc): Likewise.
7997 * tramp.asm: Handle -fleading-underscore correctly.
7999 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8001 (nonlocal_goto_receiver): Delete.
8002 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8004 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8005 (SET_ASM_OP): Define.
8006 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8008 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8011 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8012 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8014 * rs6000.h: Add 'u' to more constants.
8016 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8018 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8020 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8022 * rs6000.c (reg_or_u_cint_operand): New function.
8023 (logical_operand): Handle 64-bit hosts.
8024 (logical_u_operand): New function.
8025 (non_logical_cint_operand): Handle 64-bit hosts.
8026 (non_logical_u_cint_operand): New function.
8027 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8028 (PREDICATE_CODES): Define new functions.
8029 * rs6000-protos.h: Declare new functions.
8030 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8031 (movdi_64): Bracket code intended for 64-bit hosts. Create
8032 CONST_DOUBLE for 32-bit values.
8033 (scc insns): Generate DImode compares.
8034 (mfcr insns): Create DImode versions.
8035 (sge matchers): New patterns.
8037 2000-02-15 Gabriel Paubert <paubert@iram.es>
8039 * rs6000.md: Correct instructions length attributes and
8040 constraints on unsigned compare instructions.
8041 (*ne0): Disable for PowerPC64.
8043 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8045 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8046 quantity, fix profile1.C test failure under -fPIC.
8048 * rs6000.c: Add 'u' to many constants to suppress warnings.
8049 (constant_pool_expr_1): Make static.
8050 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8051 * rs6000.h: Add 'u' to many constants to suppress warnings.
8053 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8054 for the start of the TOC, instead of LCTOC..0.
8055 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8057 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8058 (load_toc_aix_di): Use LCTOC..1.
8060 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8061 * rs6000.c (rs6000_legitimize_address): New function from
8062 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8063 symbols in the constant pool that really are TOC references.
8064 (print_operand_address): For ELF, write TOC offsets under
8065 -fPIC as subtractions in the insn.
8066 (output_toc): For ELF, define symbols in TOC as normal labels,
8068 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8069 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8070 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8071 * rs6000.md (movsi): Only use create_TOC_reference on
8072 symbols in the constant pool that really are TOC references.
8074 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8075 * rs6000.c (rs6000_reorg): Delete.
8076 * rs6000-protos.h (rs6000_reorg): Delete.
8078 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8080 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8082 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8083 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8084 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8085 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8086 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8087 rs6000_aix_emit_builtin_unwind_init.
8088 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8089 rs6000_emit_eh_toc_restore on AIX.
8090 (return_eh_si): Use r2.
8091 (return_eh_di): Use r2.
8093 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8094 since we're breaking binary compatibility anyway.
8096 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8098 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8099 constant_pool_expr_p): Declare them.
8100 (constant_pool_expr_p): Declare it.
8101 * config/rs6000/rs6000.c (toc_label_name): Define.
8102 (rs6000_override_options): Set toc_label_name.
8103 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8104 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8105 uses_TOC): New functions.
8106 (print_operand): Delete old '*' case.
8107 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8108 and strip off rtl for TOC before calling output_addr_const.
8109 (rs6000_emit_load_toc_table): Use toc_label_name.
8110 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8112 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8113 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8114 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8115 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8116 into explicit TOC_REGISTER offsets.
8117 (TOC_REGISTER): New macro.
8118 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8119 TARGET_TOC to reference TOC_REGISTER.
8120 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8121 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8122 uses_TOC before emitting label references.
8124 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8126 * rs6000.md (stack_tie): Fix warning.
8128 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8129 to handle -fleading-underscore.
8130 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8131 (USER_LABEL_PREFIX): New macro.
8132 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8133 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8134 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8135 call-linux can use the same multilibs.
8136 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8137 and call-linux multilibs. Do multilib with -fleading-underscore.
8138 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8139 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8142 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8143 have MASK_SOFT_FLOAT set.
8144 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8145 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8146 CPP_FLOAT_DEFAULT_SPEC.
8148 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8149 * rs6000.md: Whitespace change.
8150 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8151 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8153 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8155 * rs6000.md (eh_epilogue): New expander.
8156 (eh_reg_restore): New expand/split/insn combination.
8157 (return_eh_si): New insn.
8158 (return_eh_di): New insn.
8160 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8161 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8162 * eabi-ctors.c (__do_global_ctors): Register this object's
8163 frame. Clean up. Call atexit() after the constructors.
8164 (__do_global_dtors): Deregister this object's frame. Clean up.
8165 Allow for recursive calls to exit().
8166 * rs6000.c (fixuplabelno): New variable.
8167 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8168 TARGET_RELOCATABLE, it slows down exec() under linux.
8169 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8171 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8172 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8173 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8174 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8175 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8176 (ASM_OUTPUT_DWARF_ADDR): New macro.
8177 (ASM_OUTPUT_DWARF_DATA4): New macro.
8178 (ASM_OUTPUT_DWARF_DATA2): New macro.
8179 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8180 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8181 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8183 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8185 * rs6000.c (rs6000_sr_alias_set): New variable.
8186 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8187 (rs6000_emit_stack_tie): New function.
8188 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8189 in a way that dwarf2out can understand.
8190 (rs6000_frame_related): New function.
8191 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8192 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8193 Use rs6000_emit_stack_tie when needed.
8194 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8195 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8196 * rs6000.md (stack_tie): New insn.
8197 (return_internal_si): Allow return value to be in the count
8199 (return_internal_di): Likewise.
8201 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8203 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8205 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8207 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8209 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8211 * rs6000.md (stmw): Use the right POWER opcode.
8214 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8216 * rs6000-protos.h: New file.
8218 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8220 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8223 * sysv4.h: Likewise.
8225 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8227 * ../../configure.in: Delete powerpcle-*-winnt*
8228 and powerpcle-*-pe|powerpcle-*-cygwin*.
8229 * ../../configure: Regenerated.
8231 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8232 (TARGET_WINDOWS_NT): Delete.
8234 (CALL_NT_DLLIMPORT): Delete.
8235 Delete NT-specific code.
8236 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8239 * nt-ci.asm: Delete.
8240 * nt-cn.asm: Delete.
8241 * ntstack.asm: Delete.
8243 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8245 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8246 (ASM_FILE_START): Likewise.
8247 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8248 (ASM_OUTPUT_LABELREF): Likewise.
8249 (ASM_OUTPUT_SKIP): Likewise.
8250 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8251 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8252 (ASM_OUTPUT_CASE_LABEL): Likewise.
8253 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8254 (ASM_OUTPUT_ASCII): Likewise.
8256 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8258 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8259 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8260 increment rs6000_pic_labelno here.
8261 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8262 and increment rs6000_pic_labelno here.
8264 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8266 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8267 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8268 allocation knows (reg) is dead before the insn.
8270 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8272 * rs6000.md (movsi_to_cr): Correct typo in output template.
8274 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8276 * rs6000.c (rs6000_pic_labelno): Always define.
8277 (rs6000_pic_func_labelno): Delete.
8278 (lmw_operation): Check for a zero base register,
8279 which doesn't mean what we want.
8280 (stmw_operation): New function.
8281 (print_operand): Define new 'l' modifier.
8282 (rs6000_stack_info): We must save all 64 bits of the registers
8283 if TARGET_POWERPC64.
8284 (rs6000_output_load_toc_table): Delete.
8285 (rs6000_emit_load_toc_table): New function.
8286 (rs6000_allocate_stack_space): Delete.
8287 (rs6000_emit_allocate_stack): New function.
8288 (rs6000_emit_prologue): New function.
8289 (output_prolog): Use rs6000_emit_prologue.
8290 (rs6000_emit_epilogue): Change a few variable names to be
8291 more accurate. Restore all 64 bits of the registers if
8292 TARGET_POWERPC64. Only restore the FP registers which were used
8293 if they are being saved/restored one-at-a-time.
8294 (output_mi_thunk): Delete inefficient code generation.
8295 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8296 * rs6000.h: Declare rs6000_emit_load_toc_table,
8297 rs6000_allocate_stack_space, stmw_operation. Don't declare
8298 rs6000_output_load_toc_table.
8299 * rs6000.md (elf_high): Allow register 0, but discourage it
8301 (elf_low): Support loading into register 0.
8302 (load_toc_aix_si): New pattern.
8303 (load_toc_aix_di): New pattern.
8304 (load_toc_v4_pic_si): New pattern.
8305 (load_toc_v4_pic_di): New pattern.
8306 (load_toc_v4_PIC_1): New pattern.
8307 (load_toc_v4_PIC_1b): New pattern.
8308 (load_toc_v4_PIC_2): New pattern.
8309 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8310 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8311 (prologue): New expander.
8312 (movesi_from_cr): New pattern.
8313 (stmw): New pattern.
8314 (save_fpregs_si): New pattern.
8315 (save_fpregs_di): New pattern.
8317 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8319 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8324 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8326 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8328 (movsi_got_internal): Likewise.
8329 (movsi_got_internal+1): Likewise.
8330 (set_sp): 'unspec 7' does a SImode clobber.
8332 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8334 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8335 allocate a stack temporary.
8336 (floatsidf2_internal): Likewise.
8337 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8339 (floatunssidf2): Don't use the fpmem "register", just
8340 allocate a stack temporary.
8341 (floatunssidf2_internal): Likewise.
8342 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8344 (floatsidf2_loadaddr): Delete.
8345 (floatsidf2_store1): Delete.
8346 (floatsidf2_store2): Delete.
8347 (floatsidf2_load): Delete.
8348 (fix_truncdfsi2): Don't use the fpmem "register", just
8349 allocate a stack temporary.
8350 (fix_truncdfsi2_internal_si): Delete.
8351 (fix_truncdfsi2_internal_di): Delete.
8352 (fix_truncdfsi2_internal): New insn.
8353 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8354 (fix_truncdfsi2_store): Delete.
8355 (fix_truncdfsi2_load): Delete.
8356 (fctiwz): Produce gen_fctiwz.
8358 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8360 * eabi.h (INVOKE__main): Define.
8361 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8363 (rs6000_emit_prologue): Likewise.
8364 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8365 this is the main program.
8367 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8369 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8371 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8373 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8374 goes after the argument.
8376 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8378 * rs6000.md: Document 'unspec' values used.
8379 (epilogue): New expander.
8380 (movesi_to_cr_one): New expander.
8381 (movesi_to_cr and following): New pattern.
8383 (return_internal_si): New pattern.
8384 (return_internal_di): New pattern.
8385 (return_and_restore_fpregs_si): New pattern.
8386 (return_and_restore_fpregs_di): New pattern.
8387 * rs6000.h: Declare new functions.
8388 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8389 rather than rs6000_calls_p.
8390 (rs6000_makes_calls): Delete.
8391 (lmw_operation): New function.
8392 (mtcrf_operation): New function.
8393 (rs6000_emit_epilogue): New function.
8394 (output_epilog): Call rs6000_emit_epilogue and final if
8395 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8397 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8399 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8400 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8401 * aix.h (SUBTARGET_SWITCHES): Document switches.
8402 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8403 sched-prolog and sched-epilog the same. Document all the
8405 (TARGET_OPTIONS): No longer allow -mdebug-.
8407 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8409 * rs6000.h (ASM_FILE_END): Move to aix.h.
8410 (EXTRA_SECTIONS): Move to aix.h.
8411 (READONLY_DATA_SECTION): Move to aix.h.
8412 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8413 (SELECT_SECTION): Move to aix.h.
8414 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8415 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8416 (LINK_REGISTER_REGNUM): New definition.
8417 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8418 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8420 * sysv4.h: Delete the code between the inclusion of rs6000.h
8422 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8423 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8424 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8425 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8426 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8427 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8428 (fix_truncdfsi2_internal_di): New pattern.
8429 (fix_truncdfsi2_store): The second arg here is Pmode too.
8430 (fix_truncdfsi2_load): The second arg here is Pmode too.
8431 (tablejumpdi): Now that switch tables hold only SImode values,
8432 gcc needs to know how to add them to the pc which is DImode.
8433 * rs6000.c (rs6000_stack_info): Use symbolic name for
8434 LINK_REGISTER_REGNUM.
8435 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8436 (output_toc): Delete unused variables s1 and s2.
8437 (output_ascii): Use fputs not fprintf on a variable string.
8439 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8441 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8442 * aix43.h: Revert Aug 2 change.
8443 (HAS_INIT_SECTION): Define, not visible yet.
8444 (LD_INIT_SWITCH): Define, not visible yet.
8445 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8447 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8449 * config/rs6000/rtems.h: Include config/rtems.h.
8451 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8453 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8454 (SLOW_UNALIGNED_ACCESS): Define.
8455 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8456 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8457 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8458 (toc_section): Likewise and .toc pseudo-op.
8459 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8461 (TEXT_SECTION_ASM_OP): Likewise.
8462 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8465 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8467 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8468 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8471 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8473 * rs6000.h: Move more stuff from here...
8475 * sysv4.h: Cleanup accordingly.
8476 * netware.h: Likewise
8478 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8480 * rs6000.h: Continue cleanup.
8483 * netware.h: Likewise.
8485 * sysv4.h: Likewise.
8486 * win-nt.h: Likewise.
8488 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8489 (TARGET_OPTIONS): Likewise.
8491 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8492 (SUBTARGET_OPTIONS): Likewise.
8494 * rs6000.md: Fix compile time warnings.
8496 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8498 vxworks patches from the Cygnus tree originally by
8499 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8500 <vmakarov@cygnus.com>.
8501 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8502 (ENDFILE_SPEC): Likewise.
8503 (LIB_VXWORKS_SPEC): New macro.
8504 (STARTFILE_VXWORKS_SPEC): New macro.
8505 (ENDFILE_VXWORKS_SPEC): New macro.
8506 (LINK_START_VXWORKS_SPEC): New macro.
8507 (LINK_OS_VXWORKS_SPEC): New macro.
8508 (CPP_OS_VXWORKS_SPEC): New macro.
8509 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8510 * vxppc.h: Rewrite to use proper configuration method.
8511 * vxppcle.h: New file.
8512 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8513 * ../../configure: Rebuilt.
8515 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8517 Lots of changes to rs6000.h, sysv4.h, aix.h,
8518 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8519 with the aim that rs6000.h is the first header
8520 included and the others override it.
8523 * x-aix41-gld: Remove.
8525 * x-aix41: Remove target-specific switches, and don't specify
8526 -Wl,-bbigtoc as we don't need it any more.
8527 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8528 Use t-aix43 for AIX 4.3 and above.
8529 * ../../configure: Regenerated.
8531 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8532 options, that don't do anything yet.
8533 (MASK_SCHED_PROLOG): New macro.
8534 (MASK_SCHED_EPILOG): New macro.
8535 (TARGET_SCHED_PROLOG): New macro.
8536 (TARGET_SCHED_EPILOG): New macro.
8538 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8540 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8541 one per translation unit, not one per function.
8542 (output_toc): Also do duplicate constant elimination
8543 for per-translation-unit TOCs.
8545 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8546 a comment explaining _exactly_ when this pattern gets used.
8547 (builtin_setjmp_receiver): New pattern for better clarity.
8548 (init_v4_pic): Move it into a section dealing with TOC registers.
8550 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8552 * rs6000.c (toc_hash_table): New variable.
8553 (rs6000_hash_constant): New function.
8554 (toc_hash_function): New function.
8555 (toc_hash_eq): New function.
8556 (toc_hash_mark_entry): New function.
8557 (toc_hash_mark_table): New function.
8558 (output_toc): Don't output duplicate TOC entries in
8560 (rs6000_add_gc_roots): Add the hash table as a GC root.
8561 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8562 where they clearly shouldn't be. This may need to be fixed
8563 later when there is a GNU ar for AIX.
8564 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8565 Don't define BOOT_LDFLAGS as it is now not necessary.
8567 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8569 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8570 for va_list on AIX. Use unsigned_char_type_node rather than
8571 constructing our own version on svr4.
8573 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8575 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8576 since patently it's not.
8578 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8580 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8581 define_expand/define_insn pair, and handle restore of the
8582 SVR4 -fpic register.
8584 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8586 * acconfig.h (HAVE_GAS_WEAK): New define.
8587 * configure.in (assembler weak support): Check for .weak support.
8588 * config.in, configure: Rebuilt.
8589 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8590 HAVE_GAS_WEAK is defined.
8592 2000-03-15 Nick Clifton <nickc@cygnus.com>
8594 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8597 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8599 * cppfiles.c (open_include_file): New function.
8600 (find_include_file, cpp_read_file): Use it.
8602 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8604 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8606 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8608 * flow.c (verify_flow_info): Check for unconditional return.
8610 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8612 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8613 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8614 (__ia64_restore_stack_nonlocal): New.
8615 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8617 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8619 * cpphash.c (collect_formal_parameters): Do not complain about
8620 parameter names that just start with `__VA_ARGS__'.
8622 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8624 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8625 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8626 * i386.c (pentiumpro_cost): Set mul cost to 4.
8627 (x86_use_movx): Set for PPro.
8629 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8631 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8632 STACK_BOUNDARY for empty frames now.
8634 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8636 * stor-layout.c (layout_union): Remove.
8637 (layout_union_field): New function, split out from layout_union.
8638 (finish_union_layout): Likewise.
8639 (layout_field): Handle unions by calling layout_union_field.
8640 (finish_record_layout): Handle unions.
8641 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8642 QUAL_UNION_TYPE handling.
8644 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8646 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8647 end of basic block is jump_insn, not barrier; use create_basic_block
8648 instead of creating basic block by hand.
8650 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8652 * flow.c (reorder_basic_blocks): Account for barriers when writing
8653 over NEXT_INSN (last_bb->end).
8654 (verify_flow_info): Add check for missing barriers.
8656 2000-03-14 Greg McGary <gkm@gnu.org>
8658 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8659 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8660 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8661 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8662 __unbounded, __unbounded__): New keywords.
8663 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8664 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8665 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8667 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8669 * cselib.h: New file.
8670 * alias.c: Include "cselib.h".
8671 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8672 MEMs as two new arguments.
8673 (get_addr): New static function.
8674 (find_base_term): Handle VALUEs.
8675 (memrefs_conflict_p): Likewise.
8676 (true_dependence): Call get_addr on the addresses.
8677 Call fixed_scalar_and_varying_struct_p with addresses that have been
8678 passed through get_addr and canon_rtx.
8679 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8680 with true_dependence.
8681 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8682 * loop.c: Include "cselib.h".
8683 (load_mems): Process extended basic block that enters the loop with
8684 cselib. Use that information to change initialization of the shadow
8685 register so that a constant equivalence is seen by later passes.
8686 * reload1.c: Include "cselib.h".
8687 (reload_cse_invalidate_regno): Delete function.
8688 (reload_cse_mem_conflict_p): Likewise.
8689 (reload_cse_invalidate_mem): Likewise.
8690 (reload_cse_invalidate_rtx): Likewise.
8691 (reload_cse_regno_equal_p): Likewise.
8692 (reload_cse_check_clobber): Likewise.
8693 (reload_cse_record_set): Likewise.
8694 (reg_values): Delete static variable.
8695 (invalidate_regno_rtx): Likewise.
8696 (reload_cse_delete_noop_set): New static function.
8697 (reload_cse_simplify): New static function, broken out of
8699 (reload_cse_noop_set_p): Delete unused argument INSN.
8700 Just call rtx_equal_for_cselib_p on set source and destination.
8701 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8702 reload_cse_delete_noop_set. Delete code to keep track of values; use
8703 cselib functions instead. Delete code to push/pop obstacks.
8704 (reload_cse_simplify_set): Use cselib to find equivalent values.
8705 Delete code to push/pop obstacks.
8706 (reload_cse_simplify_operands): Likewise.
8707 * rtl.def (VALUE): New rtx code.
8708 * rtl.h (union rtunion_def): New elt rt_cselib.
8709 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8710 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8711 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8712 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8713 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8714 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8715 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8716 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8717 cselib_record_set, cselib_record_sets): New static functions.
8718 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8719 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8720 references_value_p): New functions.
8721 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8722 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8723 n_useless_values, reg_values, callmem, cselib_obstack,
8724 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8725 New static variables.
8726 * varray.h (union varray_data_tag): New elt te.
8727 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8728 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8731 2000-03-14 Nick Clifton <nickc@cygnus.com>
8733 * gcc.c (do_spec_1): Catch the case where %* is used in a
8734 substitution pattern, but it has not been initialised.
8735 Issue a meaningful error message if an unrecognised operator
8736 is encountered in a spec string.
8738 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8740 * function.c (prepare_function_start): Correctly initialize
8741 cfun->stack_alignment_needed.
8743 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8745 * cppfiles.c (find_include_file): Don't assume nshort is a
8748 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8750 * configure.in (hppa configurations): Add pa32-regs.h to the
8751 list of tm files as appropriate.
8752 * configure: Rebuilt.
8753 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8755 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8756 (fmpyaddoperands, fmpysuboperands): Likewise.
8757 * pa.h: Remove various definitions which depend on knowing
8758 how registers are numbered.
8759 * pa32-regs.h: New file with PA32 register numbering specific
8762 2000-03-14 Richard Henderson <rth@cygnus.com>
8764 * regmove.c (combine_stack_adjustments): New.
8765 (stack_memref_p, single_set_for_csa): New.
8766 (free_csa_memlist, record_one_stack_memref): New.
8767 (try_apply_stack_adjustment): New.
8768 (combine_stack_adjustments_for_block): New.
8769 * rtl.h (combine_stack_adjustments): Declare.
8770 * toplev.c (rest_of_compilation): Call it.
8772 * i386.md: Revert 2000-01-16 change.
8774 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8776 * gccbug.in: Add web category, gcc specific classes.
8778 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8780 * stor-layout.c (finalize_record_size): Fix typo.
8782 2000-03-14 Stan Shebs <shebs@apple.com>
8784 * c-typeck.c (c_alignof): Error on incomplete types.
8785 * extend.texi (Alignment): Document this.
8787 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8789 * cppfiles.c: Include mkdeps.h.
8790 (find_include_file, read_include_file): Remove _cpp_ prefix
8791 from name, make static.
8792 (_cpp_execute_include): New function, broken out of
8795 * cpplib.c: Don't include mkdeps.h.
8796 (struct directive): Remove type field. Reorder entries. The
8797 function takes only one argument.
8798 (struct if_stack): Make type field an int.
8799 (directive_table): Rename to dtable. Generate it, the
8800 prototypes of the directive handlers, and the enum for the
8801 directive numbers, from a template macro.
8802 (do_ifndef, do_include_next, do_import): New functions.
8803 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8804 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8805 do_ident, do_assert, do_unassert, do_sccs): Take only one
8807 (do_sccs): Define always, but alter behavior based on
8809 (_cpp_handle_directive, consider_directive_while_skipping):
8810 Restructure for new directive table layout.
8812 (pass_thru_directive): Take a directive number, not a pointer
8813 to a struct directive.
8814 (parse_include): New function, broken out of do_include.
8815 (do_include, do_import, do_include_next): Use parse_include
8816 and _cpp_execute_include.
8817 (do_elif, do_else): Test for T_ELSE specifically when checking
8818 for #elif/#else after #else.
8819 (parse_ifdef): New function, broken out of do_ifdef.
8820 (validate_else): Expect a name arg without a leading #.
8821 (if_directive_name): Delete.
8822 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
8823 directive handlers with only one argument.
8825 * cpphash.h: Update prototypes.
8826 (enum node_type): Remove entries for directives.
8827 * Makefile.in: Update dependencies.
8829 * cpphash.c (dump_hash_helper): Only dump nodes of type
8830 T_MACRO. Emit a newline after each definition.
8832 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8834 * gccbug.in: New file.
8835 * configure.in (all_outputs): Add gccbug.
8836 * Makefile.in (install-common): Install gccbug.
8837 (GCCBUG_INSTALL_NAME): New variable.
8838 * configure: Rebuilt.
8840 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8842 * function.c (put_var_into_stack): Use type_for_mode to calculate
8843 part_type. Use MEM_SET_IN_STRUCT_P.
8844 * expr.c (store_field): Handle CONCAT.
8845 (store_constructor): Use fields_length.
8846 * tree.c (fields_length): New fn.
8847 * tree.h: Declare it.
8849 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8851 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
8852 (cpplex.o): New target.
8853 * po/POTFILES.in: Add cpplex.c.
8855 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
8856 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
8857 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
8858 skip_block_comment, skip_line_comment, skip_comment,
8859 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
8860 _cpp_parse_name, skip_string, parse_string,
8861 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
8862 _cpp_get_directive_token, find_position,
8863 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
8864 (maybe_macroexpand, _cpp_lex_token): New functions.
8866 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
8867 parse_goto_mark): Delete.
8868 (_cpp_handle_eof): New function.
8869 (_cpp_handle_directive): Rename from handle_directive.
8870 (_cpp_output_line_command): Rename from output_line_command.
8871 (do_if, do_elif): Call _cpp_parse_expr directly.
8872 * cppfiles.c (_cpp_read_include_file): Don't call
8873 init_input_buffer here.
8874 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
8875 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
8876 here; pop the token_buffer and skip the rest of the line here.
8877 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
8880 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
8882 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
8883 CPP_GOTO_MARK): New macros.
8884 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
8885 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
8886 _cpp_read_and_prescan, _cpp_init_input_buffer,
8887 _cpp_grow_token_buffer, _cpp_get_directive_token,
8888 _cpp_handle_directive, _cpp_handle_eof,
8889 _cpp_output_line_command): Prototype them here.
8890 * cpplib.h (enum cpp_token): Add CPP_MACRO.
8891 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
8892 quote_string, output_line_command): Remove.
8894 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
8896 * stmt.c (expand_end_case): RANGE may be signed, and when checking
8897 whether it is too large we must also verify that it isn't negative.
8899 2000-03-13 Jakub Jelinek <jakub@redhat.com>
8901 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
8902 (movsi_zero_liveg0): Remove.
8903 (movsf_insn_novis_liveg0): Remove.
8905 (negsi2_not_liveg0): Rename to negsi2.
8906 (one_cmplsi2): Remove.
8907 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
8908 (one_cmplsi2_liveg0): Remove.
8909 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
8910 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
8911 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
8912 (PREDICATE_CODES): Remove zero_operand.
8913 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
8914 TARGET_BROKEN_SAVERESTORE.
8915 (zero_operand): Remove.
8916 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
8917 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
8919 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
8920 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
8921 TARGET_BROKEN_SAVERESTORE): Remove.
8922 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8924 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8926 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
8929 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
8931 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8933 * cpplib.c (do_pragma_implementation): Fix off-by-one error
8934 truncating a string. Don't assume tokens are nul terminated.
8935 Problem noted by Andreas Jaeger <aj@suse.de>
8937 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
8939 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
8940 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
8941 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
8943 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
8945 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
8946 STRUCTURE_SIZE_BOUNDARY.
8948 2000-03-13 Mark Mitchell <mark@codesourcery.com>
8950 * tree.h (record_layout_info_s): New structure.
8951 (record_layout_info): New type.
8952 (new_record_layout_info): New function.
8953 (layout_field): Likewise.
8954 (finish_record_layout): Likewise.
8955 * stor-layout.c (layout_record): Remove.
8956 (new_record_layout_info): New function.
8957 (layout_field): New function, broken out from layout_record.
8958 (finalize_record_size): Likewise.
8959 (compute_record_mode): Likewise.
8960 (finalize_type_size): New function, broken out from layout_type.
8961 (finish_record_layout): Likewise.
8962 (layout_type): Use them.
8964 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8966 * cpphash.c: Don't include version.h.
8967 (special_symbol) [case T_VERSION]: Look for the string in
8968 hp->value.cpval; don't use version_string.
8969 * cppinit.c (initialize_builtins): Set hp->value.cpval for
8970 __VERSION__ to version_string.
8971 * Makefile.in (cpphash.o): Update deps.
8973 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
8975 Convert cpplib to use libiberty/hashtab.c.
8977 * cpplib.h (struct cpp_reader): Make hashtab and
8978 all_include_files of type 'struct htab *'. Delete HASHSIZE
8979 and ALL_INCLUDE_HASHSIZE macros.
8981 * cpphash.h: Update prototypes.
8982 (struct hashnode): Remove next, prev, and bucket_hdr members.
8983 Make length a size_t. Add hash member.
8984 (struct ihash): Remove next member. Add hash member. Make
8985 name a flexible array member.
8987 * cppfiles.c: Include hashtab.h.
8988 (include_hash): Delete.
8989 (IHASHSIZE): New macro.
8990 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
8991 (cpp_included): Do the hash lookup here.
8992 (_cpp_find_include_file): Rewrite.
8993 (cpp_read_file): Put the "fake" hash entry into the hash
8994 table. Honor the control_macro, if it turns out we've seen
8995 the file before. Don't push the buffer here.
8996 (_cpp_read_include_file): Push the buffer here.
8997 (OMODES): New macro. Use it whenever we call open(2).
8999 * cpphash.c: Include hashtab.h.
9000 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9001 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9002 _cpp_lookup_slot): New functions.
9003 (HASHSIZE): new macro.
9004 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9005 (_cpp_lookup): Use hashtab.h routines.
9007 * cppinit.c: Include hashtab.h.
9008 (cpp_reader_init): Call _cpp_init_macro_hash and
9009 _cpp_init_include_hash. Don't allocate hashtab directly.
9010 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9011 pfile->all_include_files.
9012 (initialize_builtins): Use _cpp_make_hashnode and
9013 htab_find_slot to add hash entries.
9014 (cpp_finish): Just call _cpp_dump_macro_hash.
9015 * cpplib.c: Include hashtab.h.
9016 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9017 create hash entries.
9018 (do_pragma_poison, do_assert): Likewise.
9019 (do_include): Don't push the buffer here. Don't increment
9020 system_include_depth unless _cpp_read_include_file succeeds.
9021 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9023 (do_pragma_implementation): Use alloca to create copy.
9025 * Makefile.in: Update dependencies.
9027 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9029 * cppinit.c (cl_directive_handler): More K&R fixing.
9031 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9033 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9035 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9037 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9039 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9040 Change from char[] to macros.
9042 2000-03-12 Neil Booth <NeilB@earthling.net>
9044 * cppinit.c (cpp_start_read): Update indirect function
9047 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9049 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9052 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9053 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9055 2000-03-11 Neil Booth <NeilB@earthling.net>
9057 * cppinit.c (struct pending option): Replace undef with a
9058 pointer to a directive handling routine.
9059 (struct cpp_pending): Replace separate assert_ and define_
9060 lists with one directive_ list.
9061 (new_pending_define): Rename new_pending_directive. Extra
9062 argument is the directive's handling routine.
9063 (handle_option): Update to use new_pending_directive.
9065 2000-03-11 Neil Booth <NeilB@earthling.net>
9067 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9068 remap_filename, _cpp_read_include_file, actual_directory,
9069 hack_vms_include_specification): Replace bcopy(), index() etc
9070 calls. Add casts to some allocations. Make some variables
9071 pointers to const [unsigned] char.
9072 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9073 collect_formal_parameters): Similarly.
9074 * cppinit.c (struct pending_option, append_include_chain,
9075 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9076 cpp_start_read, new_pending_define, handle_option): Similarly.
9077 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9078 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9079 do_pragma_implementation, detect_if_not_defined,
9080 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9081 do_assert, do_unassert): Similarly.
9082 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9083 function prototypes.
9084 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9086 2000-03-10 Richard Henderson <rth@cygnus.com>
9088 * builtins.c (expand_builtin_strlen): Revert last change.
9089 Use emit_insn_before if we're at the beginning of a sequence.
9091 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9093 * builtins.c (expand_builtin_strlen): Make sure that we have something
9094 at the beginning of the sequence.
9096 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9099 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9101 2000-03-10 Richard Henderson <rth@cygnus.com>
9103 * except.c (can_throw): Use INTVAL on a CONST_INT.
9104 (reachable_handlers): Likewise.
9105 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9107 2000-03-10 Andreas Jaeger <aj@suse.de>
9109 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9110 MD_STARTFILE_PREFIX since those are not needed on linux.
9111 (ASM_FILE_START): New, from mips/gnu.h.
9113 2000-03-09 Richard Henderson <rth@cygnus.com>
9114 Alex Samuel <samuel@codesourcery.com> and others
9116 * Makefile.in (ssa.o): New rule.
9118 (STAGESTUFF): Add *.ssa and *.ussa.
9119 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9120 * rtl.def (PHI): New RTL expression.
9121 * rtl.h (clear_log_links): New declaration.
9122 (convert_to_ssa): Likewise.
9123 (convert_from_ssa): Likewise.
9124 * flow.c (split_edge): If the entry node falls through to the
9125 split edge's source block, split the entry edge.
9126 (clear_log_links): New function.
9127 * toplev.c (ssa_dump): New variable.
9128 (flag_ssa): Likewise.
9129 (f_options): Add "ssa".
9130 (compile_file): Create SSA dump files.
9131 (rest_of_compilation): Go to and from SSA if enabled.
9132 (decide_d_option): Handle -de for SSA dump files.
9135 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9137 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9140 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9142 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9144 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9146 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9147 (MD_STARTFILE_PREFIX_1): New macro.
9149 2000-03-09 Robert Lipe <robertl@sco.com>
9151 * config/ia64/ia64.c: Include system.h.
9153 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9155 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9156 (init_eh_nesting_info): Likewise.
9158 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9159 (TREE_NOTHROW): Rename from TREE_RAISES.
9160 * toplev.c (rest_of_compilation): Set it.
9161 * print-tree.c (print_node): Adjust.
9162 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9163 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9164 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9165 REG_EH_REGION note as appropriate.
9166 (libfunc_nothrow): New fn.
9167 (emit_library_call, emit_library_call_value): Use it.
9168 (expand_call): Check TREE_NOTHROW.
9170 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9171 DECL_ASSEMBLER_NAME.
9173 2000-03-09 Andreas Jaeger <aj@suse.de>
9175 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9176 (TARGET_MEM_FUNCTIONS): Define.
9178 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9180 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9182 * except.c (can_throw): See through a SEQUENCE.
9183 (nothrow_function_p): New fn.
9184 * except.h: Declare it.
9185 * function.c (current_function_nothrow): New var.
9186 (prepare_function_start): Initialize it.
9187 * output.h: Declare it.
9188 * toplev.c (rest_of_compilation): Set it.
9189 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9191 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9193 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9194 match. (cpp_compare_defs): Count the nul separator when
9195 advancing over argument names.
9197 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9199 * recog.c (preprocess_constraints): Matching constraints affect
9200 same alternative/different operand, not same operand/different
9203 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9204 register and a constant specially.
9206 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9208 * libgcc2.h: New file.
9209 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9211 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9213 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9214 * configure: Regenerate.
9217 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9219 * Makefile.in (LIBCPP_DEPS): New macro.
9220 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9222 * cpperror.c: Include cpphash.h.
9223 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9225 (lex): Don't use CPP_WARN_UNDEF.
9226 (_cpp_parse_expr): Return an int, the truth value.
9227 * cppfiles.c: Include cpphash.h.
9228 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9229 * cppinit.c (include_defaults_array): Disentangle.
9230 (cpp_cleanup): Don't free the if stack here.
9231 (cpp_finish): Pop off all buffers, not just one.
9232 * cpplib.c (eval_if_expr): Return int.
9233 (do_xifdef): Rename do_ifdef.
9234 (handle_directive): Don't use CPP_PREPROCESSED.
9235 (cpp_get_token): Don't use CPP_C89.
9236 * fix-header.c: Don't use CPP_OPTIONS.
9238 * cpplib.h: Move U_CHAR, enum node_type, struct
9239 file_name_list, struct ihash, is_idchar, is_idstart,
9240 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9241 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9242 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9243 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9244 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9245 of _cpp_simplify_pathname, _cpp_find_include_file,
9246 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9247 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9249 Change all uses of U_CHAR to be unsigned char instead.
9250 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9252 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9254 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9255 (dwarf2out_begin_prologue): Set it.
9256 (output_call_frame_info): Don't emit EH unwind info for leaves.
9258 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9259 can occur outside of an EH region.
9260 * except.c: Correct comments about rethrow behavior.
9261 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9263 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9265 * flow.c (make_edges): Always call make_eh_edge for calls.
9267 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9269 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9270 (struct cpp_buffer): Remove fname and underflow fields.
9271 (struct cpp_reader): Remove get_token field.
9272 (struct include_hash): Rename to struct ihash. Add typedef to
9274 (struct if_stack): Remove fname field.
9275 (IF_STACK_FRAME): Rename to IF_STACK.
9277 * cpperror.c (print_containing_files): Trust that there are no
9278 macro buffers below the top file buffer.
9279 * cppfiles.c: Replace all references to 'struct include_hash'
9280 with 'IHASH'. Rename initialize_input_buffer to
9281 init_input_buffer. Don't set or reference cpp_buffer->fname,
9282 use buffer->ihash->name instead.
9283 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9284 not CPP_NULL_BUFFER.
9285 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9286 IF_STACK_FRAME, IHASH not struct include_hash.
9287 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9288 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9289 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9290 references to cpp_buffer->fname (delete entirely, or use
9291 ->ihash->name instead) and IF_STACK->fname.
9292 (cpp_push_buffer): Don't set new->underflow.
9293 (do_include): Use cpp_file_buffer.
9295 * cpphash.c (collect_formal_parameters): Remove duplicate
9296 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9297 used as a macro argument name. Don't append "..." to namebuf
9298 for varargs macros. After we're done scanning, go through
9299 namebuf and make it NUL separated, not comma separated.
9300 (_cpp_compare_defs): Remove register tag from variables.
9301 Expect defn->argnames to be NUL separated.
9302 (_cpp_dump_definition): Expect defn->argnames to be NUL
9303 separated and in forward order.
9304 * cpphash.h: Update documentation of argnames field.
9306 2000-03-08 Richard Henderson <rth@cygnus.com>
9308 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9309 to fail. Don't pre-expand the source operand.
9311 * i386.md (strlensi): Initialize eoschar and align before use.
9313 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9315 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9316 CONSTRUCTOR element.
9318 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9320 * mips.c (mips_expand_prologue): If the last
9321 named argument is the vararg marker "va_list", treat it as
9322 an unnamed argument.
9324 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9326 * dbxout.c (dbxout_parms): When correcting for promoted
9327 big-endian parameters, use the mode of the DECL_RTL rather
9328 than UNITS_PER_WORD.
9330 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9332 * c-common.h (make_fname_decl): Declare.
9333 * c-common.c (make_fname_decl): Define.
9334 (declare_hidden_char_array): Remove.
9335 (declare_function_name): Use make_fname_decl.
9336 * c-decl.c (c_make_fname_decl): New function.
9337 (init_decl_processing): Set make_fname_decl.
9339 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9341 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9343 2000-03-07 Philipp Thomas <pthomas@suse.de>
9345 * po/POTFILES.in: Remove cppalloc.c from file list.
9347 2000-03-07 Steve Chamberlain <sac@pobox.com>
9349 * pj.c (pj_expand_prologue): current_function->args_info is
9350 now current_function_args_info.
9352 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9353 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9354 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9356 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9358 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9359 output as hexadecimal rather than the default octal.
9361 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9363 * cpphash.c (special_symbol): Fix thinko in previous commit.
9365 2000-03-07 Neil Booth <NeilB@earthling.net>
9367 * cppexp.c (struct operation, left_shift, right_shift,
9368 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9369 "int"s to "unsigned int"s.
9370 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9372 * cpplib.h: Update for above.
9373 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9374 returned from allocations.
9376 * cppinit.c (opt_comp, parse_options): New functions.
9377 (handle_option): Use parse_option to parse a single command
9378 line option, that possibly takes an argument.
9379 (cpp_handle_options): Sort the array of command line options on
9380 first invocation (non-ASCII hosts only).
9381 (print_help): Update.
9383 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9385 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9386 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9388 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9390 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9392 * cpperror.c (cpp_print_containing_files,
9393 cpp_print_file_and_line, v_cpp_message): Rename to
9394 print_containing_files, print_file_and_line, and v_message.
9395 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9396 to _cpp_parse_expr, parse_escape, and lex.
9397 (parse_charconst): Remove broken multibyte support.
9398 * cppfiles.c (include_hash): Make static.
9399 (cpp_included): New function.
9400 (merge_include_chains, find_include_file, finclude,
9401 simplify_pathname): Rename to _cpp_merge_include_chains,
9402 _cpp_find_include_file, _cpp_read_include_file, and
9403 _cpp_simplify_pathname.
9404 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9405 cpp_install, create_definition, macroexpand, compare_defs,
9406 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9407 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9408 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9409 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9411 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9413 * cpphash.h: Update prototypes.
9414 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9416 2000-03-07 Andrew Haley <aph@cygnus.com>
9418 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9419 PTRDIFF_TYPE should be based solely on Pmode.
9422 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9424 * rtl.h (rtunion_def): Constify member `rtstr'.
9425 (emit_line_note_after, emit_line_note, emit_line_note_force,
9426 emit_note, decode_asm_operands): Constify.
9428 * cse.c (canon_hash): Likewise.
9430 * dbxout.c (dbxout_block): Likewise.
9432 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9433 v_warning_for_asm): Likewise.
9435 * dwarfout.c (function_start_label): Likewise.
9437 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9438 emit_line_note_force): Likewise.
9440 * final.c (last_filename, asm_insn_count, final_scan_insn,
9441 output_source_line): Likewise.
9443 * function.h (struct emit_status): Likewise.
9445 * gcse.c (hash_expr_1): Likewise.
9447 * genattr.c (gen_attr, main): Likewise.
9449 * genattrtab.c (struct function_unit, current_alternative_string,
9450 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9451 attr_numeral, check_attr_test, check_attr_value,
9452 convert_set_attr_alternative, convert_set_attr,
9453 compute_alternative_mask, simplify_by_exploding, gen_attr,
9454 gen_unit): Likewise.
9456 * genflags.c (gen_insn): Likewise.
9458 * gengenrtl.c (type_from_format): Likewise.
9460 * genopinit.c (gen_insn): Likewise.
9462 * genoutput.c (n_occurrences, process_template, process_template):
9465 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9468 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9471 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9472 ggc_set_mark, ggc_get_size): Likewise.
9474 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9476 * optabs.c (init_one_libfunc): Likewise.
9478 * output.h (assemble_start_function): Likewise.
9480 * recog.c (decode_asm_operands): Likewise.
9482 * toplev.c (rest_of_compilation): Likewise.
9484 * tree.h (emit_line_note_after, emit_line_note,
9485 emit_line_note_force): Likewise.
9487 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9488 asm_emit_uninitialised, assemble_start_function,
9489 assemble_variable, const_hash, compare_constant_1,
9490 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9492 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9494 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9496 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9498 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9500 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9501 arm_dllimport_name_p): Likewise.
9503 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9506 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9508 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9510 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9511 arm_mark_dllexport, arm_mark_dllimport,
9512 arm_pe_encode_section_info): Likewise.
9514 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9515 ASM_FINISH_DECLARE_OBJECT): Likewise.
9517 * arm/thumb.c (thumb_function_prologue): Likewise.
9519 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9521 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9523 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9525 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9527 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9529 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9531 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9532 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9534 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9536 * i386/i386.c (asm_output_function_prefix): Likewise.
9538 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9540 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9542 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9544 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9545 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9546 ASM_OUTPUT_SECTION_NAME): Likewise.
9548 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9550 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9552 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9554 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9556 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9558 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9560 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9562 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9564 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9566 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9568 * mips/mips.md (movdi, movsi): Likewise.
9570 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9572 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9574 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9576 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9577 ASM_OUTPUT_ASCII): Likewise.
9579 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9580 output_mi_thunk, output_toc): Likewise.
9582 * rs6000/rs6000.md (movsi): Likewise.
9584 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9586 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9588 * v850/v850.c (print_operand, print_operand_address,
9589 v850_encode_data_area): Likewise.
9591 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9593 * config/mips/mips.md (zero_extendsidi2): Always force operand
9594 one to memory for mips16.
9596 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9598 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9599 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9600 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9601 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9602 (min_precision): Result is unsigned.
9603 (add_double, neg_double, mul_double): Low word is unsigned.
9604 (lshift_double, rshift_double, lrotate_double): Likewise.
9605 (rrotate_double, div_and_round_double): Likewise.
9606 (tree_floor_log2, compare_tree_int): New functions.
9607 (preserve_rtl_expr_temps): New declaration.
9608 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9609 (decl_attributes): Use tree_log2 to find alignment.
9610 Check for TREE_INT_CST_HIGH for format args.
9611 (min_precision): Now unsigned.
9612 Use tree_floor_log2.
9613 (truthvalue_conversion): Delete long-disabled code.
9614 * c-decl.c (finish_struct): Clean up tests on field width.
9615 (finish_function): Use compare_tree_int.
9616 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9617 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9618 (default_conversion, digest_init): Use compare_tree_int.
9619 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9620 Fix type errors in forming masks.
9621 * calls.c (initialize_argument_information): Use compare_tree_int.
9622 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9623 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9624 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9625 (store_field): Use compare_tree_int.
9626 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9627 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9628 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9629 (do_store_flag): Use compare_tree_int.
9630 * fold-const.c (encode, decode): Low part is always unsigned.
9631 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9632 (lshift_double, rshift_double, lrotate_double): Likewise.
9633 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9634 (fold_convert): Use compare_tree_int.
9635 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9636 (invert_truthvalue, case INTEGER_CST): Likewise.
9637 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9638 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9639 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9640 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9642 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9643 (expand_end_case): Use compare_tree_int.
9644 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9645 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9646 (layout_decl): Likewise.
9647 (layout_record, layout_union): Make sizes unsigned.
9648 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9649 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9650 * tree.c (struct type_hash): hashcode is unsigned.
9651 (build_type_attribute_variant, type_hash_list): Likewise.
9652 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9653 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9654 (build_complex_type): Likewise.
9655 (real_value_from_int_cst): Remove unneeded casts.
9656 (integer_all_onesp): Add casts.
9657 (tree_floor_log2, compare_tree_int): New functions.
9658 (build_index_type): Use tree_int_cst_sgn.
9659 * varasm.c (assemble_variable): Use compare_tree_int.
9661 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9663 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9665 * varasm.c (make_decl_rtl): Don't add a number to members of
9667 (make_function_rtl): Likewise.
9669 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9671 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9672 patch from 2000-01-28.
9674 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9676 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9677 filled with an insn from the jump target.
9679 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9681 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9682 (c4x_external_ref): Likewise.
9683 * config/c4x/c4x.c (struct name_list): Likewise.
9685 1999-12-16 Ben Collins <bcollins@debian.org>
9687 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9688 argument to genmultilib.
9689 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9690 the contents into the multilib.h header.
9691 * gcc.c: Declare multilib_exclusions for the specs file.
9692 (set_multilib_dir): Use it.
9693 (print_multilib_info): Likewise.
9694 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9695 to pass to genmultilib.
9697 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9699 * builtins.c (built_in_class_names, built_in_names): Constify a
9702 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9704 (_mcleanup): Ensure value matches format specifier in sprintf.
9706 * cpphash.c (special_symbol): Don't needlessly cast away
9709 * cppinit.c (base_name): Delete unused prototype.
9711 * mkdeps.c (deps_init): Make definition K&R safe.
9713 * tree.h (built_in_class_names, built_in_names): Constify a
9716 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9718 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9719 floating point instructions for epilogue delay.
9721 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9722 to gas if it supports .register pseudo.
9724 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9725 LONG_DOUBLE_TYPE_SIZE if not defined.
9726 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9727 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9729 * gengenrtl.c: Likewise.
9730 * print-rtl.c: Likewise.
9732 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9733 MASK_LONG_DOUBLE_128.
9734 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9735 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9736 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9737 (SUBTARGET_SWITCHES): Define.
9738 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9739 with -mlong-double-128.
9740 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9741 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9742 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9743 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9744 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9745 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9746 with -mlong-double-128.
9747 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9748 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9749 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9750 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9751 TARGET_LONG_DOUBLE_128): Define.
9752 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9753 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9754 long double on TARGET_ARCH64.
9756 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9758 * function.c (free_temps_for_rtl_expr): Don't free slots
9759 that have been pushed into a higher level.
9762 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9764 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9766 * basic-block.h (ALLOCA_REG_SET): Remove.
9767 (INITIALIZE_REG_SET): New macro.
9768 * flow.c (update_life_info): Use it.
9769 (calculate_global_regs_live): Likewise.
9770 (propagate_block): Likewise.
9771 * global.c (build_insn_chain): Likewise.
9772 * haifa-sched.c (schedule_region): Likewise.
9774 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9776 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9777 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9778 (DWARF_ARANGES_PAD_SIZE): New define.
9779 (output_aranges): Use it to pad the address range header.
9780 (DWARF_ROUND): Fix for non power of 2 rounding.
9782 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9784 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9786 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9788 * tree.def (RTL_EXPR): Update documentation.
9789 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9790 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9791 * function.c (preserve_rtl_expr_temp): New function.
9792 (preserve_rtl_expr_temps): Likewise.
9793 (preserve_rtl_expr_result): Use it.
9796 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9798 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9800 * regmove.c (copy_src_to_dest) Do not create src->dest move
9801 for unchanging destination.
9803 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9805 * function.h (struct sequence_stack): Remove rtl_expr.
9806 (struct emit_staus): Likewise.
9807 (seq_rtl_expr): Remove.
9808 * tree.h (free_temps_for_rtl_expr): Don't declare.
9809 (start_sequence_for_rtl_expr): Likewise.
9810 * rtl.h (preserve_rtl_expr_result): Likewise.
9811 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
9812 (start_sequence_for_rtl_expr): Remove.
9813 (push_topmost_sequence): Don't save sequence_rtl_expr.
9814 (pop_topmost_sequence): Remove comment about not restoring it.
9815 (end_sequence): Don't set seq_rtl_expr.
9816 (init_emit): Don't initialize it.
9817 (mark_sequence_stack): Don't mark it.
9818 (mark_emit_status): Likewise.
9819 * except.c (protect_with_terminate): Use
9820 start_sequence_for_rtl_expr, not start_sequence.
9821 * expr.c (expand_expr, case RTL_EXPR): Don't call
9822 preserve_rtl_expr_result or free_temps_for_rtl_expr.
9823 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
9824 (preserve_rtl_expr_result): Remove.
9825 (free_temps_for_rtl_expr): Likewise.
9826 (pop_temp_slots): Likewise.
9827 (mark_temp_slot): Don't mark the rtl_expr.
9828 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
9829 start_sequence_for_rtl_expr.
9831 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
9833 * mkdeps.c, mkdeps.h: New files.
9834 * po/POTFILES.in: Add them.
9835 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
9836 (cpplib.o, cppinit.o): Depend on mkdeps.h.
9837 (mkdeps.o): New target.
9839 * cppfiles.c: Delete deps_output.
9840 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
9841 OBJECT_SUFFIX, and base_name.
9842 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
9844 (initialize_dependency_output): Use deps_init,
9845 deps_add_target, deps_calc_target, and deps_add_dep. Remove
9846 all the unnecessary string bashing.
9847 (cpp_finish): Use deps_write. Remove an unnecessary nesting
9849 * cpplib.c (do_include): Use deps_add_dep.
9850 * cpplib.h (struct cpp_reader): Replace deps_buffer,
9851 deps_allocated_size, deps_size, deps_column members with
9852 single pointer to a struct deps. Delete prototype of
9855 * cppinit.c: Fix thinko in previous patch.
9857 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9859 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
9860 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
9861 (mode_for_size_tree): New function.
9862 (layout_decl, layout_type): Call it and clean up BLKmode checks.
9863 * tree.h (mode_for_size_tree): New declaration.
9865 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
9867 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
9869 * stmt.c (is_body_block): Move...
9870 * dwarfout.c, dwarf2out.c: ...from here.
9871 * tree.h: Declare it.
9872 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
9873 * final.c (final_start_function): Do call remove_unnecessary_notes
9876 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9878 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
9880 * cpplib.h (_dollar_ok): New macro.
9881 (is_idchar, is_idstart): Use it.
9882 (IStable): Rename to _cpp_IStable. Declare it const if
9883 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
9884 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
9885 is_space): Update for renamed IStable.
9887 * cppinit.c: Delete all references to FAKE_CONST and CAT
9888 macros. Define init_IStable as empty macro if gcc >=2.7 or
9889 C99. Change TABLE() to ISTABLE and hardcode name of table.
9890 (cpp_start_read): Don't change the IStable based on
9893 * cpphash.c (unsafe_chars): Add pfile argument. All callers
9894 changed. Handle '$' for char1 correctly.
9895 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
9897 * cppexp.c (tokentab2): Make const.
9898 (cpp_lex): Make toktab const.
9899 * cppinit.c (include_defaults_array): Make const.
9900 (initialize_standard_includes): Make default_include const.
9902 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9904 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
9905 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
9906 (gen_decl_die): Likewise.
9907 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
9908 (output_decl): Likewise.
9910 * varasm.c (make_function_rtl): If we change the name used in the
9911 rtl, update DECL_ASSEMBLER_NAME accordingly.
9912 (make_decl_rtl): Likewise.
9914 * toplev.c (rest_of_compilation): Tweak formatting.
9916 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
9917 remove_unnecessary_notes.
9918 (debug_ignore_block): New fn.
9919 * toplev.h: Declare it.
9920 * emit-rtl.c (remove_unncessary_notes): Call it.
9921 * dwarf2out.c (dwarf2out_ignore_block): New fn.
9922 * dwarf2out.h: Declare it.
9923 * final.c (final_start_function): Don't call remove_unnecessary_notes
9924 if we did insn scheduling.
9926 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
9928 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
9929 * cpplib.h: Delete SET_CPP_PEDANTIC.
9931 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9933 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
9934 result is a RECORD_TYPE.
9936 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
9938 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
9940 2000-03-03 Richard Henderson <rth@cygnus.com>
9942 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
9943 addition over compliments over shifts.
9945 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9947 * reload1.c (reload_combine_note_use): Handle return register USEs.
9948 REG case: Handle multi-hard-register hard regs.
9950 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9952 * md.texi: Document use of '*' in insn pattern name.
9954 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
9956 * calls.c (special_function_p): operator new may not be malloc-like.
9958 * gcse.c (dump_hash_table): Really fix error in last change.
9960 2000-03-02 Denis Chertykov <denisc@overta.ru>
9962 * avr.c (print_operand): Use print_operand_address instead of
9964 * avr/libgcc.S: Cleanup code.
9966 2000-03-02 Richard Henderson <rth@cygnus.com>
9968 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
9970 2000-03-02 Mark Mitchell <mark@codesourcery.com>
9972 * tree.h (TYPE_ALIGN_UNIT): New macro.
9974 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
9976 * i386.c: (constant_call_address_operand): Reject CONST_INT.
9978 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
9980 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
9982 (SET_CPP_PEDANTIC): New macro.
9983 * cpplib.c (do_include): Don't bother checking system_header_p.
9984 (do_warning, do_ident, do_assert, do_unassert): Likewise.
9985 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
9987 * function.h (struct expr_status): Add x_arg_space_so_far.
9988 (arg_space_so_far): New macro.
9989 * expr.c (init_expr): Initialize it.
9990 * calls.c (emit_call_1): Reset it.
9991 (compute_argument_block_size, expand_call): Use it.
9992 (expand_call, store_one_arg): Increment it.
9994 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9996 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
9999 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10001 * cppfiles.c (cpp_read_file): New function.
10003 * cpphash.c (collect_expansion): Make sure to reset last_token
10004 to NORM when we hit a string. Handle trailing whitespace
10005 properly when the expansion is empty.
10006 (create_definition): Disable line commands while parsing the
10008 (dump_definition): If pfile->lineno == 0, output a line
10009 command ahead of the dump, and add a trailing newline.
10011 * cppinit.c (append_include_chain): Add fifth argument, which
10012 indicates whether or not system headers are C++ aware.
10013 (initialize_standard_includes): New function,
10014 broken out of read_and_prescan. Pass 'cxx_aware' value from
10015 the include_defaults_array on to append_include_chain.
10016 (dump_special_to_buffer): Const-ify char array.
10017 (builtin_array): Don't dump __BASE_FILE__.
10018 (cpp_start_read): Use cpp_read_file. Reorder code for
10019 clarity. Don't output line commands here for -D/-A/-U
10020 switches. Don't call deps_output for files included with
10021 -include or -imacros.
10023 * cpplib.c (do_define): Don't pay any attention to the second
10025 (cpp_expand_to_buffer): Disable line commands while scanning.
10026 (output_line_command): Work in the file buffer.
10027 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10028 Fix formatting of comments. Prototype cpp_read_file.
10030 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10032 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10033 reference the language-equivalent of sizetype.
10034 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10035 * fold-const.c (size_binop, size_diffop): Put back checks.
10036 * gcse.c (dump_hash_table): Fix minor error in last change.
10037 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10038 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10041 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10043 * calls.c (expand_call) Do not attempt to combine stack adjustments
10044 with inhibit_defer_pop set.
10046 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10048 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10049 the DECL_SIZE for a FIELD_DECL.
10051 2000-03-01 Bruce Korb <bkorb@gnu.org>
10053 * fixinc/inclhack.tpl: remove unused symlinks
10054 * fixinc/README: GCC Maintainer info
10055 * fixinc/inclhack.sh: regen
10056 * fixinc/fixincl.sh: regen
10058 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10060 * cpphash.c (collect_expansion): Trim trailing white space
10061 from macro definitions, but don't go past the last insertion
10064 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10066 * i386.md (mulqi3): New pattern.
10068 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10070 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10072 (struct cpp_reader): Add parsing_if_directive and
10073 parsing_define_directive flags.
10074 (struct cpp_options): Remove output_conditionals flag.
10075 (check_macro_name): Delete prototype.
10077 * cpphash.h (struct macrodef): Delete.
10078 (struct reflist): Separate from struct definition.
10079 (struct definition): Remove unused fields. Add column number.
10080 (create_definition): Returns a DEFINITION *. Takes a
10081 cpp_reader * and an int.
10083 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10084 (PEEKC): Copy defn from cpplib.c.
10085 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10087 (struct arglist): Simplify.
10088 (collect_expansion): Rewrite. Get tokens by calling
10089 cpp_get_token. Add more error checking.
10090 (collect_formal_parameters): New function, broken out of
10091 create_definition and reworked to use get_directive_token.
10092 (create_definition): All real work is now in collect_expansion
10093 and collect_formal_parameters. do_define handles finding the
10094 macro name. Return a DEFINITION, not a MACRODEF.
10095 (macroexpand): Replace bcopy with memcpy throughout. Replace
10096 character-at-a-time copy loop with memcpy and pointer increments.
10097 (compare-defs): d1->argnames / d2->argnames might be null.
10099 * cpplib.c (copy_rest_of_line): Delete function.
10100 (skip_rest_of_line): Do all the work ourselves.
10101 (skip_string): New function.
10102 (parse_string): Use skip_string.
10103 (get_macro_name): New function.
10104 (check_macro_name): Delete.
10105 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10106 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10107 (handle_directive): ICE if we're called on a macro buffer.
10108 (do_define): Determine macro name and type (funlike/objlike)
10109 here. Expunge all uses of MACRODEF.
10110 (cpp_push_buffer): Set line_base to NULL.
10111 (do_undef, read_line_number): Don't worry about getting a POP token.
10112 (eval_if_expression): Set/reset parsing_if_directive around
10113 cpp_parse_expr. Don't clear only_seen_white.
10114 (skip_if_group): Remove output_conditionals logic. Use
10116 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10117 tokens under appropriate conditions.
10118 (cpp_unassert): Call do_unassert not do_assert. Oops.
10120 * cppexp.c (parse_defined): New function, break out of
10122 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10123 ourselves, with cpp_defined.
10124 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10126 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10127 * gcc.dg/strpaste-2.c: New.
10129 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10131 * fold-const.c (size_binop): Don't asert inputs are the same and
10132 have TYPE_IS_SIZETYPE set.
10133 (size_diffop): Likewise.
10135 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10137 * dwarfout.c (output_block): Output abstract blocks even if they
10138 don't have TREE_ASM_WRITTEN set.
10140 * calls.c (emit_library_call): Check for null REG.
10142 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10144 * c-decl.c (current_function_decl): Move to toplev.c.
10145 (init_decl_processing): Don't add current_function_decl as a ggc
10147 * dbxout.c (dbxout_symbol): Change return type to int.
10148 (dbxout_symbol_location, dbxout_syms): Likewise.
10149 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10150 any locals. Use current_function_func_begin_label if set.
10151 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10152 * dwarf2out.c (dwarf2out_begin_prologue): Set
10153 current_function_func_begin_label.
10154 * final.c (final_start_function): Reset it.
10155 * toplev.c (current_function_decl): Define it here.
10156 (current_function_func_begin_label): New variable.
10157 (main): Add both as ggc roots.
10158 * tree.h (current_function_func_begin_label): Declare.
10160 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10162 * gcse.c: Cleanups throughout: mostly white-space, but also
10163 some minor rearrangement of code.
10165 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10167 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10168 returns a PARALLEL. Use emit_group_load and use_group_regs
10170 (emit_library_call_value): Similarly.
10172 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10173 * pa/quadlib.asm: Remove.
10174 * pa/quadlib.c: New file.
10176 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10177 * configure: Rebuilt.
10179 2000-02-29 Philip Blundell <pb@futuretv.com>
10181 * config/arm/conix-elf.h: New file.
10182 * configure.in (arm*-*-conix*): New configuration.
10183 * configure: Regenerate.
10185 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10187 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10188 don't have TREE_ASM_WRITTEN set.
10190 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10192 * Eliminate DECL_FIELD_SIZE.
10193 * builtins.c (built_in_class_names, built_in_names): New variables.
10194 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10195 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10196 DECL_SIZE, not DECL_FIELD_SIZE.
10197 * print-tree.c (print_node): Remove code that prints extra blank
10198 lines in some cases.
10199 Properly handle inline and builtin function cases.
10200 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10201 * tree.h (built_in_class_named, built_in_names): New declarations.
10202 (union tree_decl): Rename internal unions to u1 and u2 and change
10203 some of their components.
10204 Add new field built_in_class.
10205 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10206 Reflect above changes.
10207 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10208 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10209 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10210 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10212 2000-02-28 Dmitri Makarov <dim@windriver.com>
10214 * extend.texi: Document ARM's support for long/short calls.
10216 * invoke.texi: Document ARM's -mlong-calls command line switch.
10218 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10219 (arm_encode_call_attribute): Add prototype.
10220 (arm_set_default_type_attribute): Add prototype.
10221 (arm_strip_name_encoding): Add prototype.
10223 * config/arm/arm.c (arm_init_cumulative_args): replace
10224 initialisation og 'long_calls' field with initialisation of
10225 'call_cookie' field.
10226 (enum arm_pragma_enum): New enum.
10227 (arm_pragma_long_calls): New static variable.
10228 (arm_process_pragma): Also process "#pragma long_calls_off".
10229 (arm_valid_type_attribute_p): Accept short_call attribute.
10230 (arm_comp_type_attributes): Check long/short call attributes.
10231 (arm_encode_call_attribute): New function: Encode long_call
10232 or short_call attribute in function name.
10233 (arm_set_default_type_attributes): New function: Assign
10234 default attributes to newly defined type.
10235 (current_file_function_operand): New function: Return true if
10236 the symbol is a function which has already been compiled.
10237 (arm_is_longcall_p): New function: Return true if the
10238 indicated function should be called via a long call.
10239 (arm_get_strip_length): New function. Returns number of
10240 prefix characters to be stripped from a function's name.
10241 (arm_strip_name_encoding): New function. Strip prefix characters
10242 from a function's name.
10244 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10245 with 'call_cookie'.
10246 (SHORT_CALL_FAG_CHAR): Define.
10247 (LONG_CALL_FAG_CHAR): Define.
10248 (ENCODED_SHORT_CALL_ATTR_P): Define.
10249 (ENCODED_LONG_CALL_ATTR_P): Define.
10250 (ARM_NAME_ENCODING_LENGTHS): Define.
10251 (STRIP_NAME_ENCODING): Define.
10252 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10253 (ARM_ENCODE_CALL_TYPE): Define.
10254 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10255 (ARM_DECLARE_FUNCTION_SIZE): Define.
10256 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10258 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10259 if a long call is needed.
10260 (call_value): Ditto.
10261 (call_symbol): Ditto.
10263 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10264 ARM_DECLARE_FUNCTION_SIZE.
10266 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10267 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10268 (ARM_STRIP_NAME_ENCODING): Undefine.
10269 (STRIP_NAME_ENCODING): Undefine.
10270 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10271 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10272 (ASM_OUTPUT_COMMON): Ditto.
10273 (ASM_DECLARE_OBJECT_NAME): Ditto.
10275 * config/arm/pe.c (arm_dllexport_name_p): Check for
10277 (arm_dllimport_name_p): Ditto.
10278 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10279 (arm_mark_dllimport): Ditto.
10281 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10283 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10285 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10287 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10289 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10291 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10292 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10293 NO_BUILTIN_WCHAR_TYPE is not defined.
10294 (CPP_WCHAR_TYPE): Delete.
10295 * cccp.c (main): Don't change wchar_type if cplusplus.
10296 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10298 2000-02-28 Nick Clifton <nickc@cygnus.com>
10300 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10302 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10304 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10305 (ASM_WEAKEN_LABEL): Define.
10307 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10309 * expr.c (store_constructor): Do not emit USE.
10310 * rtl.h (stupid_life_analysis): Remove.
10312 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10314 * function.c (number_blocks): Reset next_block_index based on
10315 what debugging format is used, not what is defined.
10317 * lcm.c: Minor reformatting throughout.
10318 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10320 * toplev.c (rest_of_compilation): Account for time in
10321 optimize_mode_switching.
10323 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10324 if only marking labels.
10326 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10328 * calls.c (expand_call): Attempt to combine stack adjustments with
10329 pending stack adjustments.
10331 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10333 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10334 to the end of the function.
10336 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10338 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10340 * final.c (next_block_index): Remove.
10341 (max_block_depth): Likewise.
10342 (pending_blocks): Likewise.
10343 (init_final): Don't initialize them.
10344 (final_start_function): Don't set next_block_index. Set up
10346 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10347 * function.h (number_blocks): New function.
10348 * function.c (get_block_vector): New function.
10349 (identify_blocks): Use it.
10350 (reorder_blocks): Set NOTE_BLOCK.
10351 (number_blocks): New function.
10352 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10353 * tree.h (BLOCK_NUMBER): New macro.
10354 (tree_block): Add block_num field.
10355 * dbxout.c (next_block_number): Remove.
10356 (dbxout_init): Don't set it.
10357 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10358 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10360 * toplev.c (rest_of_compilation): Always call
10361 find_loop_tree_blocks. Fix indentation.
10362 * dwarf2out.c (next_block_number): Remove.
10363 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10364 to determine block numbers.
10365 (gen_inlined_subroutine_die): Likewise.
10366 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10367 (decls_for_scope): Don't increment next_block_number.
10368 * dwarfout.c (next_block_number): Remove.
10369 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10370 to determine block numbers.
10371 (output_inlined_subroutine_die): Likewise.
10372 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10373 (output_decls_for_scope): Don't increment next_block_number.
10374 * sdbout.c (next_block_number): Remove.
10375 (sdbout_block): Use BLOCK_NUMBER.
10376 (sdbout_begin_block): Simplify.
10377 * xcoffout.c (next_block_number): Remove.
10378 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10379 (xcoffout_begin_block): Don't set next_block_number.
10380 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10383 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10385 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10386 (expand_builtin_strcpy): Pass correct type to size_binop.
10387 (expand_builtin_strcmp): Likewise.
10388 Clean up conditional structure.
10389 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10390 (complete_array_type): Don't use size_binop for MAXINDEX.
10391 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10392 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10393 (c_alignof): Use size_one_node.
10394 (build_unary_op): Pass arg of proper type to size_binop.
10395 (really_start_incremental_init, push_init_level): Use sizetype for
10396 constructor{,_bit,_unfilled}_index.
10397 (pop_init_label, output_init_element): Likewise.
10398 (output_pending_init_elements, process_init_element): Likewise.
10399 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10400 * expr.c (store_expr): Use size_int.
10401 (store_constructor): Use proper types for size_binop args.
10402 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10403 (expand_expr_unaligned): Likewise.
10404 (string_contant): Return object of sizetype.
10405 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10406 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10407 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10408 * fold-const.c (int_const_binop): Refine when size_int is called.
10409 (fold_convert): Likewise.
10410 (size_int_wide): Rework to take KIND as arg, only take low order
10411 bits, handle new sizetype_tab datatype, and chain entries in
10413 (size_int_type_wide): New function.
10414 (size_binop): Validate types of arguments.
10415 (ssize_binop): Deleted.
10416 (size_diffop): New function.
10417 (extract_muldiv): Only fold division into multiplication for sizetypes.
10418 * function.c (assign_parms): Use size_diffop and make sure
10419 VAR field is of ssizetype; also pass proper type to size_binop.
10420 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10421 (round_down): Deleted from here.
10422 * store-layout.c (sizetype_tab): Now an array.
10423 (sizetype_set, early_root_list): New variables.
10424 (variable_size): Use size_one_node.
10425 (round_up): Pass proper type to size_binop.
10426 (round_down): Moved to here and corrected as above.
10427 (layout_record): Pass proper arg types to size_binop.
10428 (layout_type): Likewise.
10429 If sizetype_set is zero, record the type just laid out.
10430 (make_unsigned_type): Don't call set_sizetype;
10431 (make_signed_type): Likewise; also, call fixup_signed_type.
10432 (initialize_sizetypes): New function.
10433 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10434 set name of bitsizetype to "bit_size_type".
10435 Fix up type of sizes of all types made before call.
10436 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10437 * tree.c (fix_sizetype): Deleted.
10438 (build_common_tree_nodes): Call initialize_sizetypes.
10439 (build_common_tree_nodes_2): Don't call fix_sizetype.
10440 * tree.h (TYPE_IS_SIZETYPE): New macro.
10441 (initialize_sizetype): New declaration.
10442 (enum size_type_kind): New type.
10443 (struct sizetype_tab): Deleted.
10444 (sizetype_tab): Now array; adjust sizetype macros.
10445 (size_diffop, size_int_type_wide): New functions.
10446 (size_int_wide): Change number of args and type; access macros changed.
10447 (ssize_int, sbitsize_int): New macros.
10448 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10449 (ROUND_TYPE_SIZE_UNIT): New macro.
10451 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10453 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10455 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10457 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10458 Mark as possibly unused.
10460 * cse.c (cse_insn): Delete dead code involving tablejump.
10461 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10463 * Makefile.in (libcpp.a): Start by deleting it.
10465 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10467 * cpplib.h (enum file_change_code): Added rename_file.
10468 * cpplib.c (do_line): If a filename is given, set file_change to
10470 (output_line_command): If file_change is rename_file, always
10471 output a # directive with the file name.
10473 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10475 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10477 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10478 when copying a PARM_DECL or RESULT_DECL.
10480 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10482 * fix-header.c (recognized_function): Also fix prototypes for
10483 functions taking "void".
10485 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10487 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10488 looking at reg_reloaded_contents.
10490 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10492 * Makefile.in (STMP_FIXINC): New toggle.
10493 (LIBGCC2_DEPS): Delete all references.
10494 (stmp-headers): Delete target. All references either deleted
10495 or changed to stmp-int-headers.
10496 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10497 (LIBCPP_OBJS): Take out cppalloc.o.
10498 (cppalloc.o): Delete target.
10499 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10500 (gen-protos, fix-header): Link with libiberty.a.
10501 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10504 * configure.in: Remove refs to strerror.
10505 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10506 * system.h: Take out strerror stanza.
10508 * cpperror.c (my_strerror): Delete function.
10509 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10510 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10511 * cppalloc.c: Delete file.
10512 * gen-protos.c: Don't provide xrealloc.
10514 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10515 xstrerror throughout.
10517 2000-02-26 Bruce Korb <bkorb@gnu.org>
10519 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10520 match for DOS headers, too.
10521 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10523 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10525 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10526 is right for most ELF targets.
10527 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10528 Let the default file use %U properly.
10529 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10532 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10535 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10537 * toplev.c (documented_lang_options): Correct spelling error.
10538 (decode_d_option, decode_f_option, main): Likewise.
10540 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10542 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10543 to tell assembler it is permitted to expand large constants.
10545 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10547 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10548 (aux_info_suffix): Use.
10549 (SAVE_SUFFIX): New macro.
10550 (save_suffix): Use.
10551 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10552 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10553 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10555 * invoke.texi (Running Protoize): Update documentation.
10557 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10559 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10561 2000-02-25 John Wehle (john@feith.com)
10563 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10565 2000-02-25 Anthony Green <green@cygnus.com>
10567 * toplev.c (rest_of_compilation): Rebuild jump labels if
10568 combine_instructions has created a new direct jump.
10569 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10571 (combine_instructions): Call try_combine with new argument.
10572 Return non-null value when new direct jump instruction is created.
10573 * rtl.h: combine_instructions returns an int.
10575 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10577 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10578 jump when changing a computed jump into a jump to a known
10581 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10583 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10584 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10586 * i386.md (define_expand "clrstrsi"): Fix typo.
10588 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10590 * rtl.texi: Fix typo.
10592 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10594 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10595 UNITS_PER_WORD. Change caller initial_elimination_offset.
10596 (rounded_frame_size): Take into account that argument pushed has
10597 changed. Fix TARGET_ALIGN_DOUBLE problem.
10599 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10601 * haifa-sched.c (schedule_block): Explain the real reason
10602 we delete REG_SAVE_NOTEs on the first insn of a block.
10603 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10605 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10607 * input.h (push_srcloc): New function.
10608 (pop_srcloc): Likewise.
10609 * toplev.c (push_srcloc): Define it.
10610 (pop_srcloc): Likewise.
10612 2000-02-24 Richard Henderson <rth@cygnus.com>
10614 * flow.c (life_analysis): When collecting reg info, clear
10617 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10619 Fix bug exposed by reload.c no longer rounding the frame
10620 size to BIGGEST_ALIGNMENT:
10621 * sh.c (rounded_frame_size): New function.
10622 (sh_expand_prologue, sh_expand_epilogue): Use it.
10623 (initial_elimination_offset): Likewise.
10625 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10627 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10628 * sh-protos.h (sh_need_epilogue): Declare.
10629 * sh.c (sh_need_epilogue_known): New static variable.
10630 (sh_need_epilogue): New function.
10631 (function_epilogue): Clear need_epilogue_known.
10632 * sh.md (return): Split into expander / insn pattern.
10633 Make the expander conditional on ! sh_need_epilogue ().
10635 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10637 * machmode.h (get_mode_alignment): Declare.
10638 (GET_MODE_ALIGNMENT): Call it.
10639 * stor-layout.c (get_mode_alignment): New function. Make
10640 sure alignment is always power of 2.
10642 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10644 * i386.h: Remove useless definition of "I386" and misleading
10647 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10649 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10650 under which TREE_PERMANENT will be set.
10651 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10652 build1): Use TREE_SET_PERMANENT.
10653 * print-tree.c (print_node): Don't report value of
10654 TREE_PERMANENT if ggc_p is true.
10656 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10657 decide whether to give a type a new alias set.
10658 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10659 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10660 of value of 'obstack'.
10663 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10665 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10667 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10669 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10670 * cpplib.c (cpp_get_token): Produce them.
10671 * cppexp.c (cpp_lex): Handle them.
10673 2000-02-23 Nick Clifton <nickc@cygnus.com>
10675 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10676 comment tests on type attributes.
10678 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10680 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10681 conform to documentation.
10682 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10683 to check for special cases.
10684 * sh-protos.h (sh_loop_align): Declare.
10685 * sh.c (sh_loop_align): Define.
10687 2000-02-22 Andrew Haley <aph@cygnus.com>
10689 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10690 (SIZE_TYPE): Is 32 bits when using -mgp32.
10691 (PTRDIFF_TYPE): Ditto.
10693 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10695 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10697 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10699 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10700 BIGGEST_FIELD_ALIGNMENT a constant.
10702 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10704 * dwarf2out.c (output_line_info): Put the marker for the end of
10705 the line number info at the actual end.
10706 (gen_struct_or_union_type_die): Use decl_function_context
10707 to check for local classes.
10708 * dwarfout.c (output_type): Likewise.
10710 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10712 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10713 for arguments with a mode, but no type.
10714 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10715 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10716 * pa/long_double.h: New file.
10717 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10718 both have 128bit wide long doubles.
10719 * configure: Rebuilt.
10721 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10723 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10725 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10726 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10727 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10729 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10731 * integrate.c (compare_blocks, find_block): Likewise.
10733 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10735 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10737 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10738 expand_asm_operands): Likewise.
10740 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10742 * predict.c (estimate_probability): Added the pointer heuristic to
10743 the collection of static branch predictors.
10745 2000-02-21 Catherine Moore <clm@cygnus.com>
10747 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10748 * invoke.texi (-mfix7000): Document.
10750 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10752 * diagnostic.c (init_output_buffer): Make it possible to output at
10753 least 32 characters if we're given a too long prefix.
10755 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10757 * varasm.c (initializer_constant_valid_p): Call
10758 lang_expand_constant to simplify the constant.
10760 2000-02-20 Bruce Korb <bkorb@gnu.org>
10762 * fixinc/inclhack.def(stdio_va_list):
10763 typedef needs to be disabled.
10764 * fixinc/inclhack.sh: regen
10765 * fixinc/fixincl.x: regen
10767 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10769 * print-rtl.c (print_rtx): Don't print addresses when
10770 flag_dump_unnumbered.
10772 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10774 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10776 (sparc_va_arg, sparc_flat_output_function_prologue,
10777 sparc_flat_output_function_epilogue): Cast value to unsigned in
10779 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10781 * sparc.md: Add default case in switch.
10783 2000-02-19 Richard Henderson <rth@cygnus.com>
10785 * c-typeck.c (add_pending_init): Don't abort for multiple
10786 fields at the same offset.
10787 (pending_init_member): Test the correct member.
10789 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10791 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10793 (start_catch_handler) : Same.
10795 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10797 * Makefile.in: Have flow.o depend on $(EXPR_H)
10799 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10801 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10802 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10803 (finish_decl): Remove -Wlarger-than code from here.
10804 * flags.h (id_clash_len): Now int.
10805 (larger_than_size): Now HOST_WIDE_INT.
10806 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
10807 Clean up checking to see if in table.
10808 (make_bit_field_ref): Remove extra parm to bitsize_int.
10809 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
10810 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
10811 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
10812 and for computing size of decl.
10813 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
10814 Move -Wlarger-than code to here.
10815 (layout_record): Remove extra arg to bitsize_int.
10816 Set TYPE_BINFO_SIZE_UNIT.
10817 (layout_union): Remove extra arg to bitsize_int.
10818 Use proper type for size of QUAL_UNION.
10819 (layout_type): Remove extra arg to bitsize_int.
10820 * toplev.c (id_clash_len): Now int.
10821 (larger_than_size): Now HOST_WIDE_INT.
10822 (decode_W_option): Clean up id-clash and larger-than- cases.
10823 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
10824 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
10825 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
10826 (struct tree_decl): New field size_unit.
10827 (size_int_wide): No HIGH operand; NUMBER is now signed.
10828 (size_int_2): Deleted.
10829 (size_int, bitsize_int): Don't use it and rework args.
10830 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
10832 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
10834 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
10836 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10838 * invoke.texi (Warning Options): Add an explanation of why
10839 you might want the -Wfloat-equal flag.
10841 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10843 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
10844 * cppinit.c (new_pending_define): Add cast to avoid warning.
10845 * expmed.c (extract_bit_field): Likewise.
10846 * flow.c (enum reorder_skip_type): New type.
10847 (skip_insns_between_blcok): New it.
10848 Rework to avoid warning about possibly undefined variable.
10849 * function.c (assign_parms): Make thisparm_boundary unsigned.
10850 * genrecog.c (write_switch): Cast XWINT result to int.
10851 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
10852 * mips-tfile.c (init_file): Make two versions of FDR intializer:
10853 one for MIPS and one for Alpha.
10854 (get_tag, copy_object): Add casts to avoid warnings.
10855 * optabs.c (init_one_libfunc): Cast NAME to (char *).
10856 * reload.c (find_reloads): Make TYPE enum reload_type.
10857 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
10858 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
10859 * varasm.c (compare_constant_1): Add cast to avoid warning.
10860 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
10862 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
10863 Cast switch operand of size to int.
10864 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
10865 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
10868 2000-02-18 Nick Clifton <nickc@cygnus.com>
10870 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
10871 anything for an alignment of zero.
10873 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
10874 anything for an alignment of zero.
10876 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
10878 * gcc.texi (Bug Reporting): Refer to bugs.html.
10879 (Bug Lists): Likewise.
10880 * system.h (GCCBUGURL): New preprocessor define.
10881 * rtl.c (fancy_abort): Use it.
10882 * gcc.c (main): Likewise.
10884 2000-02-18 Richard Henderson <rth@cygnus.com>
10886 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
10887 (life_analysis_1): Subsume into ...
10888 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
10889 Use update_life_info for the relaxation.
10890 (update_life_info): Update REG_BASIC_BLOCK for registers live on
10891 entry and regs_live_at_setjmp.
10892 (set_noop_p): Simplify.
10893 (notice_stack_pointer_modification_1): Renamed from s/_1//.
10894 (record_volatile_insns): Split into ...
10895 (delete_noop_moves): ... here,
10896 (notice_stack_pointer_modification): ... here,
10897 (insn_dead_p): ... and here.
10898 (propagate_block): Don't query INSN_VOLATILE.
10899 (mark_used_regs): Mind !PROP_REG_INFO.
10900 * toplev.c (rest_of_compilation): Call mark_constant_function here,
10901 not in life_analysis.
10903 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
10905 * loop.c (canonicalize_condition): New function,
10906 broken out of get_condition.
10907 (get_condition): Use it.
10908 * expr.h (canonicalize_condition): Prototype it.
10910 * tree.h (tree_int_cst_msb): Declare.
10911 * tree.c (tree_int_cst_msb): New function.
10913 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10915 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
10918 * invoke.texi (-fmessage-length=n): Document.
10920 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
10922 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
10924 2000-02-17 Mark Mitchell <mark@codesourcery.com>
10926 * function.c (thread_prologue_and_epilogue_insns): Put a line note
10927 after the prologue.
10929 2000-02-17 Nick Clifton <nickc@cygnus.com>
10931 * config/arm/thumb.c: Replace includes of system headers with
10932 #include "system.h".
10934 2000-02-16 Richard Henderson <rth@cygnus.com>
10936 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
10937 Add crtbeginS.o and crtendS.o.
10938 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
10939 (ENDFILE_SPEC): Use crtendS.o.
10940 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
10942 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
10943 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
10944 shared and present.
10945 (__dso_handle): New variable.
10946 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
10947 bias to __CTOR_END__.
10949 2000-02-16 Richard Henderson <rth@cygnus.com>
10951 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
10953 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
10955 * longlong.h (__clz_tab): Declare as static to match definition.
10957 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
10959 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
10960 (XREF_FILE_NAME): Define.
10962 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
10963 (EH_FRAME_SECTION_ASM_OP): Define.
10964 (IDENT_ASM_OP): Define.
10965 (TEXT_SECTION_ASM_OP): Define.
10966 (CPP_SPEC): Define.
10967 (CTORS_SECTION_ASM_OP): Define.
10968 (CTOR_SECTION_FUNCTION): Use it.
10969 (DTORS_SECTION_ASM_OP): Define.
10970 (DTOR_SECTION_FUNCTION): Use it.
10972 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
10974 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
10977 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
10978 debug_bb_n): New functions.
10979 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
10980 * basic-block.h: Prototype new functions.
10982 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
10984 * configure.in: Add support for avr target.
10985 * configure: Rebuilt.
10987 * invoke.texi: Add AVR invocation docs.
10988 * install.texi: Add information about AVR.
10989 * md.texi: Add AVR constraint letters description.
10990 * extend.texi: Add description for AVR specific attributes.
10992 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
10994 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
10996 2000-02-16 Nick Clifton <nickc@cygnus.com>
10998 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
10999 (make_insn_raw): Move RTL check here.
11001 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11003 * version.c: Include gansidecl.h and version.h.
11005 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11007 * configure.in (gcc_version): When setting, narrow search to
11008 lines containing `version_string'.
11010 * Makefile.in (mainversion): Likewise.
11011 (GCC_H): New variable.
11012 (gcc.h): Delete target.
11013 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11014 (version.o): Depend on version.h.
11015 (dbxout.o): Don't depend on gcc.h.
11017 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11018 Michael Meissner <meissner@cygnus.com>
11020 * md.texi (Simple Constraints): Add item about whitespace.
11021 * genoutput.c (strip_whitespace): New.
11022 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11023 strip_whitespace for constraints.
11024 Test pointer using NULL, not 0.
11026 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11028 * cpplib.c (do_line): Pedwarn for #line > 32767.
11030 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11032 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11034 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11035 to default cpp spec.
11036 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11037 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11040 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11043 2000-02-15 Denis Chertykov <denisc@overta.ru>
11045 * configure.in: Add support for avr target.
11047 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11049 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11050 (sh_addr_diff_vec_mode): Don't declare.
11051 * sh.c (sh_addr_diff_vec_mode): Delete.
11053 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11055 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11057 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11059 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11060 (smulsi3_highpart_i): Name.
11061 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11062 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11063 (smulsi3_highpart, umulsi3_highpart): Likewise.
11065 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11066 correctly independent of endianness.
11067 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11068 confuse the optimizers.
11069 (mulsidi3+1, umulsidi3+1): New define_split.
11071 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11073 * config/sh/sh.md: Guard insn splits against illegal registers.
11074 * config/sh/sh.h: Correct comment about macros.
11076 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11077 Andrew MacLeod <amacleod@cygnus.com>
11079 * Makefile.in (lcm.o): Depend on insn-attr.h.
11080 * basic-block.h (optimize_mode_switching): Declare.
11081 * lcm.c (tm_p.h, insn-attr.h): #include.
11082 (seginfo, bb_info): New structs.
11083 (antic, transp, comp, delete, insert) : New file-scope static variables.
11084 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11085 (reg_becomes_live, optimize_mode_switching): Likewise.
11086 * tm.texi: Add description of mode switching macros.
11087 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11089 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11090 (fldi_ok, fpscr_set_from_mem): New prototypes.
11091 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11092 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11093 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11094 (sh_flag_remove_dead_before_cse): Remove declaration.
11095 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11096 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11097 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11098 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11099 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11100 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11101 (fldi_ok): New function.
11102 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11103 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11104 (emit_df_insn): Likewise.
11105 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11106 (sh_flag_remove_dead_before_cse): Delete.
11107 (get_free_reg, fpscr_set_from_mem): New functions.
11108 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11109 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11111 2000-02-15 Loren Rittle <ljrittle@acm.org>
11113 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11115 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11117 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11118 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11120 * cccp.c: Include version.h and/or don't declare `version_string'.
11121 * collect2.c: Likewise.
11122 * alpha.c: Likewise.
11123 * arm/aof.h: Likewise.
11124 * arm/coff.h: Likewise.
11125 * arm/elf.h: Likewise.
11126 * arm/pe.h: Likewise.
11127 * arm/tcoff.h: Likewise.
11128 * arm/telf.h: Likewise.
11129 * arm/tpe.h: Likewise.
11130 * arm/vxarm.h: Likewise.
11131 * convex/convex.c: Likewise.
11132 * i386/dgux.c: Likewise.
11133 * i386/sun386.h: Likewise.
11134 * m88k/m88k.c: Likewise.
11135 * mcore/mcore-pe.h: Likewise.
11136 * mips/mips.h: Likewise.
11137 * romp/romp.h: Likewise.
11138 * sh/sh.c: Likewise.
11139 * cpphash.c: Likewise.
11140 * cppinit.c: Likewise.
11141 * dwarf2out.c: Likewise.
11142 * dwarfout.c: Likewise.
11145 * mips-tfile.c: Likewise.
11146 * protoize.c: Likewise.
11147 * toplev.c: Likewise.
11148 * tree.h: Likewise.
11150 * version.c (version_string): Constify a char*.
11152 * version.h: New file.
11154 2000-02-14 Nick Clifton <nickc@cygnus.com>
11156 * configure.in: Add mcore-elf and mcore-pe targets.
11157 * configure: Regenerate.
11159 * NEWS: Add note that MCore port has been contributed.
11161 * invoke.texi: Document command line switches for MCore port.
11162 * install.texi: Add MCore to list of supported targets.
11164 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11166 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11167 then we will need to import the frame handling functions.
11168 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11169 to import the frames themselves.
11171 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11172 Jason Eckhardt <jle@cygnus.com>
11174 * basic_block.h: Added prototype for reorder_basic_blocks.
11175 * toplev.c: Changes to add -freorder-blocks and graph dump after
11176 block reordering is done.
11177 * flow.c (reorder_block_def): New structure for use during block
11179 (REORDER_BLOCK_*): New macros to access members of above structure.
11180 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11181 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11182 functions for block reordering.
11184 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11186 * gcc.texi (Passes): Fix typo.
11187 * md.texi (Standard Names): Ditto.
11188 * tm.texi (Storage Layout): Ditto.
11190 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11192 * cpplib.c (do_define): Only free the old definition if it
11195 2000-02-13 Neil Booth <NeilB@earthling.net>
11197 * cppfiles.c (read_and_prescan): When emitting deferred
11198 newlines, test speccase[] again instead of checking each
11199 possible whitespace character in turn. When we encounter \r,
11200 look behind for \n first, then ahead.
11202 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11204 * cse.c (cse_altered): New internal flag.
11205 (cse_insn): Set it if we changed an insn.
11206 (cse_main): Clear cse_altered before each basic block.
11207 Only garbage collect if cse_altered is true afterward.
11209 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11211 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11213 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11215 * combine.c (simplify_comparison): Fix typo.
11217 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11219 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11222 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11224 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11225 previously inserted node instead of root node. Caller changed.
11227 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11229 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11231 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11233 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11234 __dereg_frame_dtor): Add prototype argument.
11236 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11238 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11240 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11242 * gthr-vxworks.h (__gthread_once): Likewise.
11244 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11246 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11248 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11249 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11250 stack pointer in functions w/o saved registers, output LEAVE more often
11251 on TARGET_USE_LEAVE machines.
11253 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11255 * config/arm/arm.c (arm_init_cumulative_args); New function:
11256 Initlaise the CUMULATIE_ARGS strcuture for a function
11258 (arm_function_arg): New function: Determine where to place a
11259 function's argument. Also handles deciding the function's
11261 (current_file_function_operand): New function: Return true if
11262 the symbol is a function which has already been compiled.
11263 (arm_is_long_call_p): New function: Return true if the
11264 indicated function should be called via a long call.
11265 (arm_valid_type_attribute_p): New function: Return true if the
11266 attribute is a valid, arm specific, attribute.
11267 (arm_comp_type_attribute): New function: Return true if the
11268 two types have compatable, arm specific, attributes.
11270 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11272 (FUNCTION_ARG): Redefine to call arm_function_arg.
11273 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11275 (INIT_CUMULATIVE_ARGS): Redefine to call
11276 arm_init_cumulative_args.
11277 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11279 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11281 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11283 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11284 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11285 (COMP_TYPE_ATTRIBUTES): Define.
11287 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11288 if a long call is needed.
11289 (call_value): Call arm_is_long_call_p to decide if a long call
11291 (call_symbol): Call arm_is_long_call_p to decide if a long call
11294 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11296 2000-02-11 Denis Chertykov <denisc@overta.ru>
11298 * README.AVR: New file with information about the avr ports.
11299 * config/avr: New directory with avr port files.
11301 2000-02-11 Andreas Jaeger <aj@suse.de>
11303 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11305 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11307 * cpphash.c: Fix formatting, update commentary.
11308 (dump_definition): Take three separate arguments instead of a
11309 MACRODEF structure argument.
11310 * cpphash.h: Update prototype of dump_definition.
11311 * cppinit.c (cpp_finish): Update call of dump_definition.
11313 * cpplib.c (do_define): Always create new hash entry with
11314 T_MACRO type. Remove redundant check for redefinition of
11315 poisoned identifier. Update call of dump_definition.
11316 (do_undef): Don't call check_macro_name. Rename sym_length to
11318 (do_error, do_warning): Don't use copy_rest_of_line or
11320 (do_warning): Don't use pedwarn for the actual warning,
11321 only the notice about its not being in the standard. (Fixes
11322 bug with #warning in system headers.)
11323 (do_ident): Stricter argument checking - accept only a single
11324 string after #ident. Also, macro-expand the line.
11325 (do_xifdef): Use cpp_defined. De-obfuscate.
11327 (do_pragma): Split out specific pragma handling to separate
11328 functions. Use get_directive_token. Update commentary. Do
11329 not pass on #pragma once or #pragma poison to the front end.
11330 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11331 do_pragma_default): New.
11333 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11335 * jump.c (jump_optimize_1): The first operand in a relational
11336 can be a CONST_INT.
11337 * optabs.c (emit_conditional_move): Handle relationals which
11338 have a known true/false result.
11340 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11342 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11343 a RETURN insn into a block which already ends with a jump.
11345 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11347 * haifa-sched.c (BUF_LEN): Increase a lot.
11349 2000-02-11 Nick Clifton <nickc@cygnus.com>
11351 * configure.in: Add tm_p_file specification for thumb targets.
11352 * configure: Regenerate.
11354 * config/arm/thumb-protos.h: New file: Prototypes for exported
11355 functions defined in thumb.c.
11357 2000-02-11 Robert Lipe <robertl@sco.com>
11359 * Makefile.in (bootstrap-lean): Remove additional files.
11360 (bootstrap2-lean): Likewise.
11361 (VOL_FILES): List of files for above.
11363 2000-02-11 Nathan Sidwell <nathan@acm.org>
11365 * cpphash.c (special_symbol): Remove spurious argument to
11368 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11370 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11372 * configure: Rebuilt.
11374 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11376 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11378 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11380 * pa.c, pa.h: Remove trigraph sequences within comments.
11382 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11384 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11386 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11388 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11390 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11392 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11394 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11396 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11397 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11398 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11399 (ASM_FILE_END): Use c4x_file_end.
11400 * config/c4x/c4x.c (c4x_global_label): New function.
11401 (c4x_external_ref, c4x_file_end): Likewise.
11403 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11404 (c4x_external_ref, c4x_end_file): Likewise.
11406 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11408 * cppexp.c: Don't include cpphash.h.
11409 (parse_charconst, cpp_lex): Use cpp_defined.
11410 (cpp_lex): Use get_directive_token throughout. Remove
11411 unnecessary cases from switch. Move assertion-handling code
11412 down to OTHER case.
11413 (cpp_parse_expr): If we see '+' or '-', check the context to
11414 determine if they are unary or binary operators. Streamline
11415 the jumps a bit. Do not call skip_rest_of_line.
11417 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11418 static. Export get_directive_token. Update commentary.
11419 (cpp_defined): New function.
11420 (do_define): Remove reference to T_PCSTRING. Call
11421 free_definition to release memory for old definition, when
11422 redefining a macro.
11423 (eval_if_expression): Set only_seen_white to 0 before calling
11424 cpp_parse_expr. Call skip_rest_of_line after it returns.
11425 (cpp_read_check_assertion): Don't preserve a pointer into the
11426 token buffer across a call to cpp_get_token.
11428 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11429 * cppfiles.c (redundant_include_p): Use cpp_defined.
11430 * cpphash.c (free_definition): New function.
11431 (delete_macro): Use it. Update commentary.
11432 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11434 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11435 from enum node_type. Prototype cpp_defined and get_directive_token.
11436 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11438 * fix-header.c (check_macro_names): Use cpp_defined.
11439 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11440 the options structure.
11442 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11444 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11446 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11448 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11449 rather than die->die_tag.
11451 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11453 * combine.c (make_extraction, force_to_mode): Avoid warning on
11454 mixed-signedness conditionals.
11455 (make_field_assignment, nonzero_bits): Likewise.
11456 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11457 (store_split_bit_field, extract_split_bit_field): Likewise.
11458 (extract_fixed_bit_field, store_bit_field,
11459 * expr.c: Change alignment to be unsigned everywhere.
11460 (move_by_pieces, store_constructor_field, store_constructor):
11461 Alignment parm is unsigned.
11462 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11463 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11464 (do_compare_rtx_and_jump): Likewise.
11465 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11466 Compare align with GET_MODE_ALIGNMENT.
11467 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11468 (get_inner_reference): Likewise.
11469 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11470 (expand_assignment): Local vars for alignment now unsigned.
11471 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11472 (do_compare_and_jump): Likewise.
11473 (store_field): Call new function expr_align.
11474 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11475 Alignment arg now unsigned.
11476 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11477 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11478 (extract_bit_field): Likewise.
11479 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11480 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11481 (get_best_mode): Alignment arg is unsigned.
11482 * rtl.h (move_by_pieces): Likewise.
11483 * store-layout.c (maximum_field_alignment, set_alignment):
11485 (layout_decl): Alignment arg is now unsigned.
11486 Remove unneeded casts.
11487 (layout_record, layout_union, layout_type): Remove unneeded casts.
11488 Local alignment variables now unsigned.
11489 (get_best_mode): Alignment arg now unsigned.
11490 * tree.c (expr_align): New function.
11491 * tree.h (expr_align): Likewise.
11492 (maximum_field_alignment, set_alignment): Now unsigned.
11493 (get_inner_reference): Alignment argument is now pointer to unsigned.
11494 * varasm.c (assemble_variable): Add cast to eliminate warning.
11496 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11498 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11499 then store directly into op0.
11501 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11502 the CALL_INSN, and emit the note immediately after it.
11504 2000-02-10 Nick Clifton <nickc@cygnus.com>
11506 * config/arm/thumb.md (epilogue): Include a (return) in the
11507 generated insn, and emit it using emit_jump_insn not
11510 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11512 * function.c (assign_temp): Change zero-sized arrays to size 1.
11513 * integrate.c (expand_inline_function): Do not update
11514 stack_alignment_needed
11515 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11516 add some sanity checking, remove optimization for function with
11519 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11521 * flow.c (mark_regs_live_at_end): Delete unused variables.
11523 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11525 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11526 in macro FRAME_GROWS_DOWNWARD.
11528 * stmt.c (expand_end_bindings): Delete unused variable.
11530 * unroll.c (iteration_info): Mark parameter `loop' with
11533 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11535 * fixinc/server.c (load_data): Return NULL if the marker line is
11537 (run_shell): If load_data returns NULL, retry the command once, in
11540 * configure: Rebuilt.
11542 2000-02-09 Bruce Korb <bkorb@gnu.org>
11544 * gcc/fixincludes: ** DELETED **
11545 * gcc/fixcpp: ** DELETED **
11546 * gcc/fixinc-nt.sed: ** DELETED **
11547 * gcc/just-fixinc: ** DELETED **
11548 * gcc/Makefile.in: Removed out-dated commentary
11549 * gcc/configure.in: Removed fast-fixincludes disablement.
11550 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11552 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11553 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11556 2000-02-09 Richard Henderson <rth@cygnus.com>
11558 * jump.c (delete_insn): Don't delete user labels at -O0.
11560 2000-02-09 Robert Lipe <robertl@sco.com>
11562 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11563 Don't link with HOST_LIBS.
11565 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11567 * configure.in: Correct --help text for --with-dwarf2.
11568 Put tm-dwarf2.h after other tm files, if it's requested.
11569 * configure: Regenerate.
11570 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11573 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11575 * cpplib.h: Provide HASHNODE typedef and forward decl of
11576 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11577 DEFINITION, struct hashnode, struct macrodef, struct
11578 definition, scan_decls prototype, default defn of
11579 INCLUDE_LEN_FUDGE moved elsewhere.
11581 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11582 definition, and struct hashnode moved here. Remove the unused
11583 'predefined' field from struct definition. Replace the 'args'
11584 union with its sole member. All users updated (cpphash.c).
11585 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11586 multiple include guard.
11588 * cpphash.c (hashf): Make static; use better algorithm; drop
11589 HASHSIZE parameter; return an unsigned int.
11590 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11591 used. Calculate HASHSIZE modulus here.
11592 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11594 (create_definition): Drop PREDEFINITION parameter.
11595 * cpplib.c (do_define): Don't calculate a hash value here.
11596 Don't pass (keyword == NULL) to create_definition.
11598 * scan.h: Prototype scan_decls here.
11599 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11600 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11601 callers of cpp_lookup and cpp_install updated.
11603 * cpphash.c (macarg): Hoist all the flag diddling out of the
11605 (macroexpand): ... and out of the loop that calls macarg.
11606 Skip over the initial paren before macro arguments with
11607 cpp_get_non_space_token; point may be some distance before
11608 that paren. Abort if it's not there.
11610 * cpplib.c (parse_clear_mark): Delete function.
11611 (parse_set_mark, parse_goto_mark): Make static.
11612 (ACTIVE_MARK_P): New macro.
11613 (skip_block_comment, skip_line_comment): Do not bump the line
11614 if ACTIVE_MARK_P is true.
11615 (cpp_pop_buffer): The buffer to be popped may not have an
11617 (cpp_get_token): When looking for the initial paren before
11618 macro arguments, only set a mark in a file buffer, Always
11619 return to that mark before proceeding to call macroexpand or
11620 return a NAME token.
11622 * cpplib.h: Remove prototypes of parse_set_mark,
11623 parse_clear_mark, parse_goto_mark.
11624 (struct cpp_options): Rename 'put_out_comments' to
11625 'discard_comments' and invert its sense.
11626 * cppinit.c, cpphash.c, cpplib.c: All users of
11627 put_out_comments changed to use discard_comments, with
11630 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11632 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11633 the edge from a block that both jumps and falls through to the
11636 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11638 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11639 constant source address is legitimate.
11641 2000-02-09 Philip Blundell <pb@futuretv.com>
11643 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11646 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11648 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11650 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11652 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11653 ends with a newline and a NUL. Don't be so clever manipulating
11656 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11658 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11659 not to BIGGEST_ALIGNMENT.
11661 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11663 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11664 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11665 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11666 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11667 * frame.c (execute_cfa_insn): Handle
11668 DW_CFA_GNU_negative_offset_extended.
11670 2000-02-08 Richard Henderson <rth@cygnus.com>
11672 * flow.c (tidy_fallthru_edges): Split out from ...
11673 (delete_unreachable_blocks): ... here.
11674 (find_basic_blocks): Use it.
11676 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11678 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11680 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11682 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11683 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11684 (fix-header.o): Don't depend on cpphash.h.
11686 * scan.c (hashstr): New function.
11687 * scan.h: Prototype it.
11688 * fix-header.c: Don't include cpphash.h. Use hashstr.
11689 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11690 hashstr. Report hash table statistics. Add private
11691 definition of xrealloc.
11693 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11695 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11697 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11699 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11700 jumps with returns unless they are jumps to the fallthru block.
11702 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11704 * i386.md (addqi3_cc): Fix contraints.
11706 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11708 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11710 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11712 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11713 carriage return after a macro name.
11715 2000-02-07 Fred Fish <fnf@be.com>
11717 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11718 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11720 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11722 * cppfiles.c (deps_output): Count spacers in deps_column.
11724 2000-02-07 Neil Booth <NeilB@earthling.net>
11726 * cppinit.c (initialize_dependency_output): If there is no
11727 suffix, don't try to look for known suffixes. Use strrchr.
11728 (cpp_start_read): Remove duplicate initialization.
11730 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11732 * calls.c (compute_argument_block_size): New argument
11733 preferred_stack_boundary.
11734 (expand_call): update cfun->preferred_stack_boundary, update call of
11735 compute_argument_block_size
11736 (emit_library_call): Increate cfun->preferred_stack_boundary
11737 to PREFERRED_STACK_BOUNDARY
11738 (emit_library_call_value): Likewise.
11739 * explow.c (allocate_dynamic_stack_spave): Likewise.
11740 * function.c (prepare_function_start): Set
11741 cfun->preferred_stack_boundary
11742 * function.h (struct function): Add preferred_stack_boundary field.
11743 * integrate.c (expand_inline_function): Update
11744 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11745 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11746 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11748 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11750 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11751 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11752 cpp_pedwarn, cpp_pedwarn_with_line,
11753 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11754 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11755 v_cpp_error_with_line, v_cpp_warning_with_line,
11756 cpp_message_from_errno, cpp_perror_with_name): Delete.
11758 * cpperror.c (cpp_print_containing_files): Take starting
11759 buffer as argument.
11760 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11761 (v_cpp_message): Now called directly by all entry points.
11763 (cpp_pfatal_with_name, cpp_message): Delete.
11764 (cpp_notice_from_errno, cpp_ice): New functions.
11765 (cpp_notice): Is now for reporting error conditions, just
11766 without an associated file.
11767 (cpp_error, cpp_error_with_line): Don't do anything if
11768 opts->inhibit_errors is on.
11769 (cpp_pedwarn_with_file_and_line): Take column argument also.
11771 * cpplib.h: Update prototypes of exported functions.
11772 (struct cpp_options): Add inhibit_errors.
11774 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11775 non-error messages. Include intl.h.
11777 * cppinit.c, cppmain.c: Likewise. Also, use
11778 cpp_notice_from_errno instead of cpp_perror_with_name or
11779 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11781 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11782 report internal errors.
11784 * cpplib.c (do_define): Switch bcopy to memcpy.
11785 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11787 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11788 bail out early if we hit a line comment.
11790 2000-02-06 Richard Henderson <rth@cygnus.com>
11792 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11793 * basic-block.h: Declare them.
11794 * emit-rtl.h (active_insn_p): New.
11795 (next_active_insn, prev_active_insn): Use it.
11796 * rtl.h: Declare it.
11797 * function.c (emit_return_into_block): New.
11798 (thread_prologue_and_epilogue_insns): Insert return insns instead
11799 of epilogues when possible.
11800 * jump.c (jump_optimize_1): Remove code to insert a return insn
11801 on the fallthru to the exit block.
11803 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11804 and for non-empty stack frames.
11805 * i386.md (return): Expand to return-pop as needed.
11807 2000-02-06 Richard Henderson <rth@cygnus.com>
11809 * simplify-rtx.c (simplify_relational_operation): Canonicalize
11810 constant to op1 for testing.
11812 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11814 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
11815 (fixuns_truncqfqi2): Use it.
11817 2000-02-06 Richard Henderson <rth@cygnus.com>
11819 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
11820 as a TYPE_LEA insn.
11822 * i386.md (widening and peepholes): Mask the constant instead of
11825 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11827 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
11828 input pointer before possibly branching off to the backslash
11830 * cpphash.c (macroexpand): Correctly delete \r escapes when
11831 stringifying parameters.
11832 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
11833 if we can; bail out early if we hit a line comment.
11834 (handle_directive): Treat '# 123' in an .S file just like
11835 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
11836 Return 1 for '# not_a_directive'.
11837 (get_directive_token): Pop macro buffers here, so that
11838 cpp_get_token can't sneakily move past a newline.
11840 (cpp_get_token): goto randomchar if handle_directive returns 0.
11842 * cppalloc.c: Update copyright.
11843 * cpplib.c: Merge all the static function prototypes into one
11845 * cpplib.h: Remove #if 0 block.
11847 * cpperror.c: Remove #ifdef EMACS block.
11848 * cppmain.c: Likewise.
11849 * cpphash.c: Remove #if 0 blocks.
11850 * cppinit.c: Remove #if 0 blocks, and the -lint option.
11851 * cpplib.c: Remove #if 0 blocks and code referencing
11852 pcp_inside_if or for_lint. Remove duplicate error message.
11853 Fix error messages for #else after #else or #elif. Reformat.
11854 Remove archaic TODO list.
11855 * cpplib.h: Remove pcp_inside_if and for_lint flags.
11857 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
11859 * i386/osf1elf.h: Add missing backslash to multiline string.
11861 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11863 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
11865 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11867 * Makefile.in (c-common.o): Depend on $(EXPR_H).
11869 * c-common.c: Include expr.h.
11871 * c-pragma.c (mark_align_stack): Add prototype.
11873 * caller-save.c (add_stored_regs): Likewise.
11875 * combine.c (record_promoted_value): Likewise.
11877 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
11880 * cppinit.c (new_pending_define): Likewise.
11882 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
11884 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
11885 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
11886 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
11887 class_scope_p): Likewise.
11889 * dwarf2out.h (dwarf2out_set_demangle_name_func,
11890 dwarf2out_add_library_unit_info): Likewise.
11892 * ggc.h (ggc_page_print_statistics): Likewise.
11894 * haifa-sched.c (propagate_deps): Likewise.
11896 * reg-stack.c (next_flags_user, record_label_references): Likewise.
11898 * rtl.h (set_stack_check_libfunc): Likewise.
11900 * toplev.h (set_fatal_function): Likewise.
11902 * toplev.c (set_fatal_function): Delete prototype.
11904 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
11906 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11908 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
11909 (FUNC_END): Likewise.
11911 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11913 * caller-save.c: Include tm_p.h.
11915 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11917 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
11919 2000-02-04 Neil Booth <NeilB@earthling.net>
11921 * cccp.c (main): Check 'dir' for a NULL pointer before passing
11924 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
11926 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
11927 * genflags.c: Use the max_operand_1 logic from genemit.c to
11928 calculate how many arguments gen_insn prototypes have. Remove
11929 NO_MD_PROTOTYPES ifdefs from the generated file.
11930 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
11931 file. Cast gen_insn initializers to insn_gen_fn.
11932 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
11933 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
11935 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11937 * fixinc/Makefile.in (HDR): Add machname.h.
11940 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11942 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
11943 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
11944 (c4x_cpu_version): Ditto.
11945 * config/c4x/c4x-protos.h: ... here.
11947 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
11949 * dwarf2out.c (add_abstract_origin_attribute): Don't call
11950 gen_abstract_function on our context if we're a nested function.
11952 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11954 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
11955 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
11957 2000-02-04 Bruce Korb <bkorb@gnu.org>
11959 * fixinc/genfixes(machname.h):
11960 Move the functionality from gen-machine.h into this file.
11961 UNdef MN_NAME_PAT if there are no names to change.
11962 Also, be a little kinder when AutoGen is not present.
11964 * fixinc/Makefile.in(machname.h):
11965 Change the generation rule to use genfixes.
11967 * fixinc/fixfixes.c(machine_name):
11968 machine_name_fix's functionality now dependent upon whether
11969 MN_NAME_PAT is defined.
11971 * fixinc/fixtests.c(machine_name):
11974 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
11977 * fixinc/fixlib.h(mn_get_regexps):
11980 * fixinc/gen-machine.h: DELETED
11982 2000-02-04 Jan Hubicka <jh@suse.cz>
11983 Richard Henderson <rth@cygnus.com>
11985 * i386.c (SAVE_REGS_FIRST): Remove.
11986 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
11987 (ix86_compute_frame_size): Likewise.
11988 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
11989 (ix86_emit_restore_regs): Remove.
11990 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
11991 when a frame pointer is in use.
11992 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
11993 instead of pop to restore a register when profitable; emit leave
11995 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
11996 as a TYPE_LEA insn.
11997 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
11998 * i386.md (prologue_allocate_stack): Remove.
11999 (epilogue_deallocate_stack): Remove.
12000 (pro_epilogue_adjust_stack): New.
12002 2000-02-04 Richard Henderson <rth@cygnus.com>
12004 * function.c (diddle_return_value): Rework to use a callback function.
12005 Use current_function_return_rtx if it's been set up.
12006 (do_clobber_return_reg, clobber_return_register): New.
12007 (do_use_return_reg, use_return_register): New.
12008 (expand_function_end): Use them.
12009 * stmt.c (expand_null_return): Likewise.
12010 * function.h: Declare them.
12011 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12012 (mark_reg): Change arguments as appropriate for callback.
12013 * integrate.c (expand_inline_function): Revert 19 Jan change.
12015 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12017 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12018 (Misc): Say the scheduler, not the Haifa scheduler.
12020 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12022 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12023 when in_mem is set. Update all callers.
12025 2000-02-04 Richard Henderson <rth@cygnus.com>
12027 * i386/openbsd.h (INT_ASM_OP): Define.
12029 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12031 * tm.texi: Fix various typos.
12033 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12035 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12036 (MD_STARTFILE_PREFIX_1): New macro.
12038 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12040 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12041 destination when needed.
12042 (strmovsi, strsetsi): New expander.
12043 (strmovsi_1, strsetsi_1): New pattern.
12044 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12045 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12046 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12047 * invoke.texi (align-stringops, inline-all-stringops): Document.
12049 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12051 * i386/netbsd.h (INT_ASM_OP): Define.
12053 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12055 * cpplib.h (cpp_reader): Add new flag, no_directives.
12056 * cpphash.c (macarg): Set it.
12057 * cpplib.c (handle_directive): If no_directives is on and we
12058 find a directive, issue an error and discard the line.
12060 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12062 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12063 FP constants. Add ! TARGET_FPU check for FP constants.
12065 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12067 * flow.c (find_basic_blocks): Don't kill label_value_list
12069 (cleanup_cfg): Kill it here.
12071 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12073 * expr.c (store_field): Ensure ALIGN is no stricter than the
12076 2000-02-02 Richard Henderson <rth@cygnus.com>
12078 * jump.c (delete_insn): Partially revert 19 Jan change;
12079 don't convert unused code labels to notes at -O0.
12081 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12083 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12084 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12086 2000-02-01 Richard Henderson <rth@cygnus.com>
12088 * i386.c (general_no_elim_operand): New.
12089 (nonmemory_no_elim_operand): New.
12090 (ix86_expand_move): Copy eliminable operands before a push.
12091 * i386-protos.h: Declare new functions.
12092 * i386.h (CAN_ELIMINATE): Simplify.
12093 (PREDICATE_CODES): Update.
12094 * i386.md (push insns): Don't allow eliminable register operands.
12096 2000-02-01 Richard Henderson <rth@cygnus.com>
12098 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12099 replace BLKmode with DECL_RTL's mode.
12101 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12103 * frame.c (find_fde): Convert for loop to do-while so compiler
12104 sees it's always executed at least once.
12105 * libgcc2.c (BBINBUFSIZE): Kill.
12106 (__bb_init_prg): Use fgets.
12107 (__bb_exit_trace_func): Don't paste strings.
12108 * unroll.c (unroll_loop): Initialize unroll_type, not
12109 unroll_number, and tweak logic to match.
12111 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12113 (ix86_flags_dependant): Likewise. Disentangle control flow.
12114 (ix86_sched_reorder): Break guts out to
12115 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12116 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12119 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12120 use string concatenation. Don't save and restore esi.
12122 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12123 (machname.h): Remove script to separate file. Use two-step
12124 sequence so target is not created if script fails.
12125 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12126 identifiers are defined.
12127 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12128 an empty string, machine_name doesn't need to do anything at
12130 (is_cxx_header): Add more cases to regexp.
12131 * fixinc/fixlib.h: Update prototype.
12132 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12134 * fixinc/fixincl.c: Define NO_BOGOSITY.
12136 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12137 (hp_sysfile): Add missing comma.
12138 (math_exception): Put the wrapper ifdefs at the beginning and
12139 the end of the file.
12140 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12142 2000-02-01 Richard Henderson <rth@cygnus.com>
12144 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12145 Use CONST0_RTX. Update all callers.
12146 * sparc.h, sparc-protos.h: Update accordingly.
12147 * sparc.md (fp mov insns): Use fp_zero_operand directly
12150 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12152 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12155 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12157 * Makefile.in (specs.ready): New target.
12158 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12160 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12162 * fixinc.irix: Use unique filenames for writing into /tmp,
12163 * fixinc.ptx: Likewise.
12164 * fixinc.sco: Likewise.
12165 * fixinc.svr4: Likewise.
12166 * fixinc.winnt: Likewise.
12168 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12170 * tsystem.h: New file.
12172 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12173 s-crtS): Depend on tsystem.h.
12175 * crtstuff.c: Include tsystem.h.
12176 * frame.c: Likewise.
12177 * libgcc2.c: Likewise.
12179 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12181 * builtins.c (expand_builtin_memset): Expand for variable sized
12184 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12186 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12189 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12191 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12193 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12195 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12197 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12198 case 3->2 combining (combining with splitting) in which 2 is CC0
12199 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12200 checked at the begining of the function with the aid of calling
12201 function 'can_combine_p'.
12203 2000-01-31 Dave Brolley <brolley@redhat.com>
12205 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12207 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12209 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12212 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12214 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12216 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12219 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12221 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12222 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12223 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12224 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12225 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12226 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12227 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12228 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12229 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12230 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12232 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12233 Add %(cpp_cpu) to CPP_SPEC.
12235 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12236 Add %(cc1_cpu) to CC1_SPEC.
12238 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12240 * c-decl.c (c_decode_option): Accept optional numeric argument to
12241 -Wformat and set warn_format.
12242 * c-common.c: Don't emit warning about non-constant printf format
12243 string unless warn_format > 1.
12245 2000-01-30 Richard Henderson <rth@cygnus.com>
12247 * alpha.md (return_internal): Allow after reload only.
12249 2000-01-30 Richard Henderson <rth@cygnus.com>
12251 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12252 local frame size is zero.
12254 2000-01-30 Richard Henderson <rth@cygnus.com>
12256 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12257 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12258 * alpha.md (return): Turn into an expander.
12259 (return_internal): Don't use $26.
12260 (epilogue): Emit the return insn.
12262 2000-01-30 Richard Henderson <rth@cygnus.com>
12264 * alpha.md (negtf2, abstf2): Fix word order thinko.
12265 (extendsftf2): New.
12266 (trunctfsf2): Avoid intermediate rounding errors.
12268 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12270 * cppfiles.c (find_position): Drop 'colp' argument, return the
12272 (read_and_prescan): Adjust to match. Don't ever manipulate
12273 line or line_base except via find_position.
12275 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12277 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12278 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12281 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12283 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12284 just print "<command line>". If 'filename' is null or an
12285 empty string, print "<stdin>" for the filename.
12286 * cpplib.c (do_define): Don't print the 'location of the
12287 previous definition' message if we're still parsing the
12289 (cpp_pedwarn_with_file_and_line): Always call
12290 cpp_file_line_for_message.
12292 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12294 * flow.c (mark_regs_live_at_end): Fix typo.
12296 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12298 * c-common.c: Adjust variable names, comments, help strings to c99.
12299 * c-lex.c: Likewise.
12300 * c-parse.y: Likewise.
12301 * c-tree.h: Likewise.
12302 * cccp.c: Likewise.
12303 * cpplib.h: Likewise.
12304 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12305 * cppinit.c: Likewise.
12307 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12309 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12310 * c4x.c: Define the optab rtx values.
12311 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12312 (c4x_emit_libcall): Use new optab rtx values.
12313 (c4x_emit_libcall3): Likewise.
12314 (c4x_emit_libcall_mulhi): Likewise.
12315 * c4x-protos.h: Add prototypes for optab rtx values and change
12316 prototypes for above c4x_emit_libcall functions.
12318 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12320 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12322 (c4x_function_prologue): Use regnames intead of float_reg_names when
12324 (c4x_function_epilogue): Likewise.
12325 (c4x_print_operand): Likewise.
12326 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12327 * c4x.md (set_high): Disable for TARGET_TI.
12329 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12331 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12332 of framepointer + constant to ADDR_REGS class.
12333 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12334 * c4x.c (std_or_reg_operand): New function.
12335 * c4x-protos.h (std_or_reg_operand): Prototype it.
12337 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12339 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12340 object names as libgcc2.c.
12341 * libgcc.S: Use newly defined names.
12343 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12344 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12346 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12347 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12348 (FLOW_LOOP_LAST_BLOCK): Likewise.
12350 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12352 * basic-block.h (struct loop): New fields 'first' and 'last'.
12353 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12354 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12355 and loop->last to check for NOTE_INSN_LOOP_END.
12357 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12359 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12360 of the loop descriptor rather than HEADER and LATCH. Also added
12361 missing break statements as well making some coding style modifications
12362 as suggested by Michael Hayes.
12364 2000-01-28 Richard Henderson <rth@cygnus.com>
12366 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12367 Break out that code ...
12368 (cleanup_cfg): ... here.
12369 (commit_one_edge_insertion): Detect a return instruction being
12370 emitted to an edge. Emit a barrier following; clear fallthru.
12371 (commit_edge_insertions): Verify CFG consistency.
12372 * function.c (expand_function_start): Kill unused variable.
12373 (expand_function_end): Likewise.
12374 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12375 to insert the epilogue.
12377 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12378 (delete_null_pointer_checks): Likewise.
12379 * output.h: Likewise.
12380 * reg-stack.c (reg_to_stack): Likewise.
12381 * toplev.c (rest_of_compilation): Likewise. Run
12382 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12384 2000-01-28 Richard Henderson <rth@cygnus.com>
12386 * Makefile.in (flow.o): Revert 24 Jan change.
12387 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12388 FUNCTION_VALUE result to DECL_RESULT's mode.
12390 * haifa-sched.c (schedule_insns): Don't recompute reg info
12393 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12395 * configure.in: Make --enable-cpplib the default.
12396 * configure: Regenerate.
12397 * gcc.dg/990119-1.c: No longer expected to fail.
12399 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12401 * jump.c (jump_optimize_1): Delete an optimization that is also done
12402 by merge_blocks in flow.
12404 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12406 * diagnostic.c (build_message_string, output_printf,
12407 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12408 (build_location_prefix): Fix non-literal format string.
12410 2000-01-27 Richard Henderson <rth@cygnus.com>
12412 * alpha.md (trunctfsf2): New.
12414 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12416 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12418 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12420 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12422 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12424 (skip_comment) ... here. Permit C++ comments in system
12425 headers always. Warn about C++ comments in user code under
12426 -std=gnu89 -pedantic.
12427 (copy_comment): Use skip_comment.
12428 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12430 (consider_directive_while_skipping, do_else, do_endif): Call
12431 validate_else unconditionally.
12432 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12433 text after the conditional in a system header.
12434 * cpplib.h (struct cpp_buffer): Add flag
12435 warned_cplusplus_comments.
12437 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12439 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12440 Use unshare_all_rtl_1.
12441 (unshare_all_rtl_again): New function.
12442 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12444 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12445 rather than resetting the 'used' flags ourself.
12447 * toplev.c (rest_of_compilation): Add current_function_decl
12448 to the unshare_all_rtl call.
12449 * tree.h: Prototype unshare_all_rtl.
12450 * rtl.h: Prototype unshare_all_rtl_again here.
12452 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12454 * genoutput.c (output_prologue): Include ggc.h in generated
12456 * Makefile.in (insn-output.o): Depends on ggc.h.
12458 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12459 Hans-Peter Nilsson <hp@bitrange.com>
12461 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12462 Remove redundant include of xm-ns32k.h.
12463 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12464 Remove redundant include of xm-ns32k.h.
12465 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12466 Remove redundant include of xm-ns32k.h.
12467 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12469 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12470 (TARGET_SWITCHES): Add documentation strings.
12471 (DWARF_FRAME_REGNUM): Override default definition.
12472 (REG_CLASS_CONTENTS): Add comments.
12473 (SUBSET_P): Format to reduce line length.
12474 (SMALL_REGISTER_CLASSES): Make a run time option.
12475 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12476 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12477 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12478 (regclass_map): fix typo in comment.
12479 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12480 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12481 (trace, reg_or_mem_operand): Delete, unused function.
12482 (calc_address_cost): Small offsets are cheaper than large ones.
12483 (expand_block_move): Generate more efficient code when bytes is a
12484 known at compile time.
12485 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12486 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12487 instead of reg_or_mem_operand.
12489 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12490 not general_operand. Similarly use "=rm" or stricter, not "=g".
12491 For input operands, use stricter constraints than "g" if not
12492 general_operand. Similarly use stricter predicate than
12493 "general_operand" when stricter constraints than "g" are present,
12494 except for matching constraints.
12495 (movstrsi): Use "memory_operand" for operands 0 and 1.
12496 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12497 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12498 not reg_or_mem_operand.
12499 (udivmoddisi4): Ditto.
12500 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12501 Use nonimmediate_operand for operand 3, not register_operand.
12502 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12503 reg_or_mem_operand.
12505 2000-01-27 Fred Fish <fnf@be.com>
12507 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12508 * gthr-single.h: Likewise.
12509 * gthr-solaris.h: Likewise.
12510 * gthr-vxworks.h: Likewise.
12511 * gthr-win32.h: Likewise.
12512 * gthr.h: Likewise.
12514 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12516 * cppinit.c: Add " (cpplib)" to end of string printed by
12519 2000-01-27 Richard Henderson <rth@cygnus.com>
12521 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12522 testing for a signed comparison.
12523 (alpha_emit_floatuns): New.
12524 * alpha-protos.h: Declare it.
12525 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12526 (extendsfdf2): Tidy.
12528 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12530 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12531 no -g option specifying debugging format, default to -gstabs+.
12533 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12535 * calls.c (special_function_p): New argument fork_or_exec.
12536 (expand_call): When profile_arc_flag is set and the function
12537 is in the fork_or_exec group, call __bb_fork_func first.
12538 * libgcc2.c, _bb module (__bb_fork_func): New function.
12539 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12541 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12542 * tree.h (special_function_p): Update prototype.
12544 2000-01-26 Richard Henderson <rth@cygnus.com>
12546 * alpha.c (alpha_split_tfmode_pair): New.
12547 * alpha-protos.h: Declare it.
12548 * alpha.md (abstf2, negtf2): New.
12549 (movtf insn): Add input G constraint.
12550 (movtf splitter): Use alpha_split_tfmode_pair.
12552 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12554 * i386/cygwin.h: PROTO -> PARAMS.
12556 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12558 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12559 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12560 using _Qp_cmp/_Q_cmp and testing the return value.
12561 (print_operand): Call reverse_condition_maybe_unordered if
12562 we are handling CCFPmode or CCFPEmode.
12563 Handle ORDERED, UN* and LTGT comparisons.
12564 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12565 if not TARGET_HARD_QUAD.
12566 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12567 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12568 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12569 Adjust gen_b* calls so that they reflect return comparison of
12570 sparc_emit_float_lib_cmp.
12572 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12574 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12575 incoming operands array is large enough for one more operand.
12576 (alpha_emit_xfloating_arith): Likewise.
12578 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12580 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12581 file with one line and no trailing newline.
12582 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12583 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12584 checking if the match is on the line.
12585 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12587 2000-01-25 Richard Henderson <rth@cygnus.com>
12589 * sparc.c (output_cbranch): Fix accidental squashing of the
12590 fp branch pre-delay nop.
12592 2000-01-25 Richard Henderson <rth@cygnus.com>
12594 * tree.def (UNNE_EXPR): Remove.
12595 * c-typeck.c (build_binary_op): Don't handle it.
12596 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12598 * rtl.def (UNNE): Remove.
12600 * jump.c (reverse_condition): Update accordingly.
12601 (swap_condition): Likewise.
12602 (comparison_dominates_p): Handle unordered comparisons.
12603 (reverse_condition_maybe_unordered): New.
12604 * rtl.h (reverse_condition_maybe_unordered): Declare.
12606 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12607 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12608 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12609 * sparc.md (bltgt): New.
12611 2000-01-25 Nick Clifton <nickc@redhat.com>
12613 * emit-rtl.c (emit_insn): Only check machine class insns for
12614 improper emission of a RETURN.
12616 2000-01-25 Richard Henderson <rth@cygnus.com>
12618 * Makefile.in (flow.o): Depend on $(EXPR_H).
12619 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12620 duplicate the structure of diddle_return_value for keeping regs live.
12622 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12624 * loop.c (current_loop_info): Delete.
12625 (consec_sets_invariant_p): Add loop argument, update callers.
12626 (get_condition_for_loop): Likewise.
12627 (count_nonfixed_reads, update_giv_derive): Likewise.
12628 (simplify_giv_expr, general_induction_var): Likewise.
12629 (consec_sets_giv, recombine_givs): Likewise.
12630 (move_movables): Delete loop_start and loop_end arguments,
12631 add loop argument, and update callers.
12632 (find_mem_givs, check_final_value): Likewise.
12633 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12634 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12636 (basic_induction_var): Add loop argument, delete loop_level argument,
12637 and update callers.
12638 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12639 add loop argument, and update callers.
12640 (find_splittable_regs, find_splittable_givs): Likewise.
12641 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12642 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12643 (biv_total_increment): Delete loop_start and loop_end arguments;
12645 (precondition_loop_p): Delete loop_start and loop_info arguments;
12647 * loop.h (get_condition_for_loop): Add loop argument.
12648 (biv_total_increment): Delete loop_start and loop_end arguments.
12649 (precondition_loop_p): Delete loop_start and loop_info arguments;
12651 (final_biv_value): Delete loop_start and loop_end arguments;
12653 (final_giv_value, back_branch_in_range_p): Likewise.
12655 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12657 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12659 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12661 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12662 point to the new "generated_files" doc.
12664 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12666 * config/fp-bit.c (_unord_f2): Fix typo.
12668 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12670 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12671 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12672 functions obsoleted by GC, such as push_obstacks_nochange,
12673 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12674 and code which existed only to decide whether or not to call
12675 them. Remove now-unused NESTED argument from start_function;
12676 all callers changed. Do not change behavior based on ggc_p.
12677 The use of the ixp_obstack in c-iterate.c and the util_obstack
12678 in objc/objc-act.c remain; these are not obsoleted by garbage
12680 * c-tree.h: Update prototype for start_function.
12682 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12684 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12686 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12689 2000-01-25 Richard Henderson <rth@cygnus.com>
12691 * sparc-protos.h (select_cc_mode): Declare.
12692 * sparc.c (select_cc_mode): New. Handle unordered compares.
12693 (output_cbranch): Always reverse via code change. Handle
12694 unordered compares. Factor tests and string updates.
12695 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12696 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12697 * sparc.md (bunordered, bordered): New.
12698 (bungt, bunlt, buneq, bunge, bunle): New.
12700 2000-01-25 Richard Henderson <rth@cygnus.com>
12702 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12703 * ggc-common.c (ggc_add_rtx_varray_root): New.
12704 (ggc_mark_rtx_varray): New.
12705 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12706 functions down below ggc_mark_foo.
12707 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12709 2000-01-25 Richard Henderson <rth@cygnus.com>
12711 * alpha.c (secondary_reload_class): Don't allocate a secondary
12712 for integral mode memories into FLOAT_REGS. Rearrange the more
12713 complicated memory expression inward.
12715 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12717 * inclhack.def: Fixes to play nicer with FreeBSD, and
12718 corrections to comments.
12719 (cxx_unready): Add select expression.
12720 (irix_sockaddr): Add bypass expression.
12721 (machine_ansi_h_va_list): New fix.
12722 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12723 Split out addition of "#include <stdarg.h>" to...
12724 (stdio_stdarg_h): ... here.
12725 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12726 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12727 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12729 (ultrix_ifdef): Tighten up select expression.
12731 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12732 re_ct and max_mach to avoid use of shell. Make printed names
12733 match names in inclhack.def. Use static copyright date.
12734 Don't count c_test and test expressions as requiring regex_t
12735 slots. Add some commentary.
12736 * inclhack.tpl: Do not include the 'This script contains N
12737 fixup scripts' line if PROGRAM is defined. Use static
12740 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12742 * dwarf2out.c: include "varray.h", not dyn-string.h.
12743 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12744 (addr_const_to_string, addr_to_string): Lose.
12745 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12746 (struct dw_val_struct): val_addr is now an rtx.
12747 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12748 (used_rtx_varray): New varray.
12749 (dwarf2out_init): Initialize it.
12750 (save_rtx): New fn.
12751 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12753 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12754 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12755 * Makefile.in (dwarf2out.o): Update dependencies.
12757 2000-01-24 Richard Henderson <rth@cygnus.com>
12759 * i386.c (i386_dwarf_output_addr_const): New.
12760 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12762 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12764 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12765 * i386.c (i386_simplify_dwarf_addr): New.
12766 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12768 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12770 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12771 TYPE_STUB_DECL is NULL.
12773 2000-01-24 Richard Henderson <rth@cygnus.com>
12775 * builtins.c (expand_tree_builtin): Move ...
12776 * c-common.c (expand_tree_builtin): ... here.
12778 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12780 * loop.h (LOOP_INFO): New accessor macro.
12781 * basic-block.h (struct loop): Rename field `info' to `aux'.
12782 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12783 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12784 * unroll.c (loop_iterations, unroll_loop): Likewise.
12786 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12788 * config/i386/t-cygwin: Accomodate new winsup directory layout
12789 when searching for include files.
12791 2000-01-24 Richard Henderson <rth@cygnus.com>
12793 * rtl.def: Add unordered fp comparisions.
12794 * tree.def: Likewise.
12795 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12797 * builtins.c (expand_tree_builtin): New function.
12798 * c-typeck.c (build_function_call): Use it.
12799 (build_binary_op): Support unordered compares.
12800 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12802 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12803 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12804 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12805 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12806 * jump.c (reverse_condition): Don't abort for UNLE etc, but
12808 (swap_condition): Handle unordered compares.
12809 (thread_jumps): Check can_reverse before reversing.
12810 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
12813 * optabs.c (can_compare_p): New argument CODE. Verify branch or
12814 setcc is present before acking for cmp_optab. Update all callers.
12815 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
12816 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
12817 * expr.c (expand_expr): Likewise. Support unordered compares.
12818 (do_jump, do_store_flag): Likewise.
12819 * expr.h (enum libfunc_index): Add unordered compares.
12821 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
12822 (DPBIT_FUNCS): Add _unord_df.
12823 * config/fp-bit.c (_unord_f2): New.
12824 * fp-test.c (main): Try unordered compare builtins.
12826 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
12827 * alpha.c (alpha_comparison_operator): Check mode properly.
12828 (alpha_swapped_comparison_operator): Likewise.
12829 (signed_comparison_operator): Likewise.
12830 (alpha_fp_comparison_operator): New.
12831 (alpha_emit_conditional_branch): Handle unordered compares.
12832 * alpha.h (PREDICATE_CODES): Update.
12833 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
12834 (bunordered, bordered): New.
12836 2000-01-24 Richard Henderson <rth@cygnus.com>
12838 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
12839 * alpha.md (movtf): New expander, insn, and splitter.
12841 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
12843 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12846 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
12848 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
12849 (FIXED_REGISTERS, CALL_USED_REGISTERS,
12850 REG_ALLOC_ORDER): Add frame pointer
12851 (FRAME_POINTER_REGNUM): Set to 20
12852 (HARD_FRAME_POINTER_REGNUM): New macro.
12853 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
12854 to HARD_FRAME_POINTER.
12855 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
12856 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
12857 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
12858 (HI_REGISTER_NAMES): Add "frame".
12859 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
12860 (debug_reg): Handle FRAME_POINTER_REGNUM.
12861 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
12862 GENERAL_REGS and INDEX_REGS.
12863 * i386.c (SAVED_REGS_FIRST): new macro.
12864 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
12865 (ix86_decompose_address, memory_address_length): Likewise.
12866 (regclass_map): Add frame pointer.
12867 (call_insn_operand): Handle frame_pointer_rtx.
12868 (reg_no_sp_operand): Likewise.
12869 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
12870 (print_operand, legitimize_pic_address): Fix formating.
12871 (ix86_compute_frame_size): Make static, update prototype, new
12872 parameters padding1, padding2, use ix86_nsaved_regs, use
12873 stack_alignment_needed.
12874 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
12875 to HARD_FRAME_POINTER_REGNUM conversions.
12876 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
12877 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
12878 (print_reg): Abort on FRAME_POINTER_REGNUM
12880 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
12882 * i386.h (PREDICATE_CODES): Add aligned_operand.
12883 * i386.c (aligned_operand): New function.
12884 (ix86_aligned_p): Kill.
12885 * i386.md (movhi_1): Emit mov for aligned operands.
12886 (promoting peep2s): Use aligned_operand.
12888 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
12890 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
12891 expression to allow underscores in macro names.
12892 (fix_char_macro_defines): Increment scanning pointer.
12894 2000-01-23 Richard Henderson <rth@cygnus.com>
12896 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
12897 * alpha/osf5.h: New file.
12898 * configure.in (alpha-*-osf5): Add it to tm_file.
12900 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
12902 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
12903 (alpha_emit_xfloating_cvt, function_arg): Declare.
12904 * alpha.c (alpha_emit_conditional_branch): Call
12905 alpha_emit_xfloating_compare for TFmode compares.
12906 (alpha_lookup_xfloating_lib_func): New.
12907 (alpha_compute_xfloating_mode_arg): New.
12908 (alpha_emit_xfloating_libcall): New.
12909 (alpha_emit_xfloating_arith): New.
12910 (alpha_emit_xfloating_compare): New.
12911 (alpha_emit_xfloating_cvt): New.
12912 (print_operand): Add default abort case.
12913 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
12914 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
12915 (BIGGEST_ALIGNMENT): Increase to 128 bits.
12916 (RETURN_IN_MEMORY): True for TF/TCmode.
12917 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
12918 (FUNCTION_ARG): Move to function_arg.
12919 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
12920 (ASM_OUTPUT_LONG_DOUBLE): New.
12921 (ASM_OUTPUT_DOUBLE): Always output bits.
12922 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
12923 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
12924 (extenddftf2, trunctfdf2): New.
12926 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12928 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
12929 * config/sparc/sol2.h: ... here.
12931 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12933 * basic-block.h (struct loops): New field `levels'.
12934 * flow.c (flow_loops_level_compute): Traverse all outer loops.
12935 (flow_loop_level_compute): Initialise level to 1.
12936 (flow_loops_find): Set loops->levels.
12937 (flow_loops_dump): Print loops->levels.
12939 2000-01-23 Richard Henderson <rth@cygnus.com>
12941 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
12942 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
12944 2000-01-23 Richard Henderson <rth@cygnus.com>
12946 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
12947 * i386.h (DBX_REGISTER_NUMBER): Use them.
12948 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
12949 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
12950 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
12951 * i386/sequent.h: Kill incorrect comment.
12953 2000-01-23 Mark Mitchell <mark@codesourcery.com>
12955 * ggc-page.c (struct page_entry): Make `context_depth' an
12957 (struct globals): Likewise.
12959 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
12961 * loop.c (check_dbra_loop): When checking a loop for
12962 reversability, check the source of any stores to ensure
12963 they don't depend on an initial value.
12965 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12967 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
12969 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
12971 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
12972 'pz_scan' into scope of entire function. Only affects
12973 compiles with -DDEBUG.
12975 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
12977 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
12978 section naming to that prior to 2000-01-07 patch.
12979 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
12980 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
12981 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
12982 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
12983 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
12985 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
12987 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
12990 2000-01-21 Jim Wilson <wilson@cygnus.com>
12992 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
12993 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
12995 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
12997 * cpphash.c (change_newlines): Delete function.
12998 (struct argdata): Delete 'newlines' and 'use_count' fields.
12999 (macroexpand): Remove code referencing those fields.
13001 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13003 * loop.c (loops_info): New variable.
13004 (loop_optimize): Allocate loops->array and free it on exit.
13005 Allocate memory for loops_info and assign to each loop,
13007 (find_and_verify_loops): Do not allocate loops->array.
13009 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13011 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13013 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13015 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13016 pseudos if expanded after first flow.
13017 (movdi_pic_label_ref): Likewise.
13019 2000-01-20 Richard Henderson <rth@cygnus.com>
13021 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13023 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13025 * Makefile.in (fixinc.sh): Depend on specs.
13026 * fixinc/Makefile.in: Add rule to create machname.h.
13027 (fixlib.o): Depend on machname.h.
13028 * fixinc/fixtests.c (machine_name): New test.
13029 * fixinc/fixfixes.c (machine_name): New fix.
13030 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13031 the machine_name test and fix.
13032 * fixinc/fixlib.h: Prototype it.
13033 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13034 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13036 * gcc.c (do_spec_1) [case P]: Take care not to create
13037 identifiers with three leading or trailing underscores.
13039 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13040 (fixincl): Don't specify libraries twice on link line.
13041 (gnu-regex.o): Remove special rule.
13042 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13043 defined by config.h. Do not define _REGEX_RE_COMP.
13044 (regcomp): Allocate and initialize a fastmap.
13045 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13047 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13049 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13051 2000-01-19 Richard Henderson <rth@cygnus.com>
13053 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13054 arguments with BB. Update all callers. Tidy line wrapping.
13056 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13058 * emit-rtl.c (try_split): Return last_insn if we split the
13061 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13063 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13064 (ix86_initial_elimination_offset): Declare.
13065 * i386.c (ix86_nsaved_regs): Break out from ...
13066 (ix86_can_use_return_insn_p): ... here.
13067 (ix86_emit_save_regs): Break out from ...
13068 (ix86_expand_prologue): ... here.
13069 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13071 (ix86_expand_epilogue): ... here.
13072 (ix86_compute_frame_size): Make static, add prototype.
13073 (ix86_initial_elimination_offset): Break out from ...
13074 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13076 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13078 * recog.h (OUT_FCN): Delete.
13080 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13082 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13084 * cppalloc.c: PROTO -> PARAMS.
13085 * cpperror.c: Likewise.
13086 * cppfiles.c: Likewise.
13087 * cpplib.c: Likewise.
13088 * cpplib.h: Likewise.
13090 * config/arm/arm-protos.h: PROTO -> PARAMS.
13091 * config/arm/arm.c: Likewise.
13092 * config/c4x/c4x.c: Likewise.
13093 * config/fr30/fr30-protos.h: Likewise.
13094 * config/nextstep.c: Likewise.
13095 * config/pa/pa.c: Likewise.
13096 * config/pj/pj.c: Likewise.
13097 * config/rs6000/rs6000.c: Likewise.
13098 * config/v850/v850-protos.h: Likewise.
13099 * config/v850/v850.c: Likewise.
13101 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13103 * i370-protos.h: New file.
13105 * i370.c: Include tm_p.h. Fix compile time warnings.
13107 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13110 * i370.md: Likewise.
13112 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13114 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13115 (target_isinf, target_isnan, eisnan): Mark parameter with
13117 (eiisinf): Wrap in INFINITY.
13118 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13119 (ibmtoe): Remove unused variable `rndsav'.
13121 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13123 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13124 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13126 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13128 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13129 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13130 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13132 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13133 Recognize Emacs mode markers also.
13134 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13135 C++ comments in C++ headers. Call is_cxx_header only if
13138 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13139 bypass for ncurses.
13140 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13141 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13142 ... these, which use the new C fixes.
13143 (math_exception): Escape literal '+' in bypass expression.
13145 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13148 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13150 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13153 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13155 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13156 prior to calling scan_loop.
13158 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13160 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13161 (split_branches, calc_live_regs): Likewise.
13163 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13165 * sh.md (fpu_single, fp_mode): New attributes.
13167 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13169 * loop.c (current_loop_info): Renamed from loop_info_data
13170 and changed to a pointer.
13171 (loop_optimize): Allocate loop_info structure for each loop
13172 and initialise to zero.
13173 (scan_loop): Set current_loop_info.
13175 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13178 2000-01-19 Richard Henderson <rth@cygnus.com>
13180 * stupid.c: Die die die.
13181 * Makefile.in (OBJS): Remove stupid.o.
13182 (stupid.o): Likewise.
13184 * except.c (emit_eh_context): Don't emit USEs for stupid.
13185 * explow.c (probe_stack_range): Likewise.
13186 * flags.h (obey_regdecls): Remove.
13187 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13188 when not optimizing.
13189 (life_analysis): Limit data collection when not optimizing.
13190 (mark_regs_live_at_end): Always mark the return value registers.
13191 (mark_used_regs): Remove dummy RETURN case.
13192 (print_rtl_with_bb): Don't consult obey_regdecls.
13193 * function.c (use_variable, use_variable_after): Remove.
13194 (assign_parms): Consult optimize not obey_regdecls.
13195 (expand_function_start): Don't emit USEs for stupid.
13196 (expand_function_end): Likewise.
13197 * global.c (build_insn_chain): Export.
13198 * integrate.c (expand_inline_function): Kill return-value USE
13200 * jump.c (jump_optimize_1): Do simple jump optimizations and
13201 dead code elimination.
13202 (calculate_can_reach_end): Remove check_deleted argument.
13203 (delete_insn): Patch out insns even when not optimizing.
13204 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13205 * rtl.h (use_variable, use_variable_after): Remove declarations.
13206 (build_insn_chain): Declare.
13207 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13208 (expand_end_bindings): Likewise.
13209 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13210 * toplev.c (obey_regdecls): Remove.
13211 (rest_of_compilation): Don't set it. Kill stupid in favour of
13212 flow1, local-alloc, and reload.
13213 (main): Don't set obey_regdecls.
13215 * config/nextstep.c (handle_pragma): Likewise.
13217 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13219 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13221 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13223 * alpha-protos.h: PROTO -> PARAMS.
13224 * alpha.c: Likewise.
13226 * h8300.c: Likewise.
13227 * i386-protos.h: Likewise.
13228 * i386.c: Likewise.
13229 * m32r-protos.h: Likewise.
13230 * m32r.c: Likewise.
13231 * mips.c: Likewise.
13232 * mips.md: Likewise.
13233 * gmon-sol2.c: Likewise.
13234 * sparc.c: Likewise.
13236 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13238 * ns32k-protos.h: New file.
13240 * ns32k.c: Fix compile time warnings.
13242 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13245 * ns32k.md: Likewise.
13247 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13249 * vax-protos.h: New file.
13251 * vax.c: Fix compile time warnings.
13253 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13256 * vax.md: Likewise.
13258 * vaxv.md: Likewise.
13260 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13262 * romp-protos.h: New file.
13264 * romp.c: Fix compile time warnings.
13266 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13269 * romp.md: Likewise.
13271 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13273 * we32k-protos.h: New file.
13275 * we32k.c: Fix compile time warnings.
13277 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13280 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13282 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13284 * except.c (eh_regs): Likewise.
13286 * final.c (output_operand): Likewise.
13288 * fold-const.c (target_isinf, target_isnan): Likewise.
13290 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13292 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13293 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13295 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13296 when optimize_size.
13297 (clrstrsi): Rewrite.
13298 (strsethi, strsetqi): New expanders.
13299 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13300 (cmpstrsi): Emit compare insn before cmpstrsi_1
13301 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13302 (strlensi_1): Likewise.
13303 (cmpstrsi_1): Likewise; do not output compare.
13304 (strlen expander): Do not unroll when optimizing for size.
13305 (*subsi3_carry): Rename to subsi3_carry
13306 (addqi3_cc): New pattern.
13307 * i386.h (processor_costs): Add move_ratio field.
13308 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13309 * i386.c (*_cost): Set move_ratio.
13310 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13311 (x86_expand_strlensi_1): Rewrite the main loop.
13313 2000-01-17 Richard Henderson <rth@cygnus.com>
13315 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13316 * cse.c (find_comparison_args, fold_rtx): Likewise.
13317 * integrate.c (subst_constants): Likewise.
13318 * loop.c (get_condition): Likewise.
13320 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13322 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13324 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13326 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13327 (RESTORE_WARN_FLAGS): Unpack it.
13328 Change semantic type of extension to ttype.
13329 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13330 * c-parse.y, c-parse.c, objc/objc-parse.y,
13331 objc/objc-parse.c: Regenerate.
13333 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13335 * fixinc/fixlib.c: Add copyright notice.
13336 (compile_re): New function.
13337 * fixinc/fixlib.h: Prototype compile_re.
13339 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13340 Use compile_re to compile regular expressions.
13342 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13343 where the pattern matched.
13345 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13347 (ultrix_ansi_compat): Likewise.
13348 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13350 (interactv_add2, interactv_add3): Delete.
13351 (x11_sprintf): Don't use filename glob.
13352 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13355 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13357 * print-rtl.c: PROTO -> PARAMS.
13358 * real.c: Likewise.
13359 * reg-stack.c: Likewise.
13360 * resource.c: Likewise.
13361 * sdbout.h: Likewise.
13362 * simplify-rtx.c: Likewise.
13363 * stor-layout.c: Likewise.
13364 * stupid.c: Likewise.
13365 * xcoffout.c: Likewise.
13366 * xcoffout.h: Likewise.
13368 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13370 * toplev.c: PROTO -> PARAMS.
13371 * toplev.h: Likewise.
13372 * tree.c: Likewise.
13373 * tree.h: Likewise.
13374 * unroll.c: Likewise.
13375 * varasm.c: Likewise.
13376 * varray.c: Likewise.
13377 * varray.h: Likewise.
13379 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13381 * reload.c: PROTO -> PARAMS.
13382 * reload.h: Likewise.
13383 * reload1.c: Likewise.
13384 * reorg.c: Likewise.
13385 * resource.h: Likewise.
13388 * rtlanal.c: Likewise.
13389 * sbitmap.h: Likewise.
13390 * sdbout.c: Likewise.
13391 * stack.h: Likewise.
13392 * stmt.c: Likewise.
13393 * system.h: Likewise.
13395 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13397 * machmode.h: PROTO -> PARAMS.
13398 * mbchar.h: Likewise.
13399 * mips-tdump.c: Likewise.
13400 * mips-tfile.c: Likewise.
13401 * optabs.c: Likewise.
13402 * output.h: Likewise.
13403 * prefix.c: Likewise.
13404 * profile.c: Likewise.
13405 * protoize.c: Likewise.
13406 * real.h: Likewise.
13407 * recog.c: Likewise.
13408 * recog.h: Likewise.
13409 * regclass.c: Likewise.
13410 * regmove.c: Likewise.
13411 * regs.h: Likewise.
13413 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13415 * ggc-common.c: PROTO -> PARAMS.
13416 * ggc-page.c: Likewise.
13417 * ggc-simple.c: Likewise.
13419 * global.c: Likewise.
13420 * graph.c: Likewise.
13421 * gthr-win32.h: Likewise.
13422 * haifa-sched.c: Likewise.
13423 * halfpic.h: Likewise.
13424 * integrate.c: Likewise.
13425 * integrate.h: Likewise.
13426 * jump.c: Likewise.
13428 * local-alloc.c: Likewise.
13429 * loop.c: Likewise.
13430 * loop.h: Likewise.
13432 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13434 * genattr.c: PROTO -> PARAMS.
13435 * genattrtab.c: Likewise.
13436 * gencheck.c: Likewise.
13437 * gencodes.c: Likewise.
13438 * genconfig.c: Likewise.
13439 * genemit.c: Likewise.
13440 * genextract.c: Likewise.
13441 * genflags.c: Likewise.
13442 * gengenrtl.c: Likewise.
13443 * genopinit.c: Likewise.
13444 * genoutput.c: Likewise.
13445 * genpeep.c: Likewise.
13446 * genrecog.c: Likewise.
13448 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13450 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13452 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13454 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13455 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13456 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13457 * configure, config.in: Rebuilt.
13459 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13461 * config/i386/i386.md: Add peephole to merge successive stack
13464 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13466 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13467 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13468 when walking backwards to find all the parameter loads when
13469 the basic block ends in a call.
13471 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13473 * loop.c (this_loop_info): Delete.
13474 (uid_loop): Add in place of uid_loop_num. All uses updated.
13475 (loop_number_exit_count): Delete and replace with entry in loop
13476 structure. All uses updated.
13477 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13478 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13479 (loop_outer_loop): Likewise.
13480 (loop_invalid, loop_number_exit_labels): Likewise.
13481 (loop_used_count_register): Delete and replace with entry in
13482 loop_info structure.
13483 (find_and_verify_loops): Add loops argument.
13484 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13485 loop_end, etc. arguments with loop structure pointer. All callers
13487 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13488 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13489 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13490 (insert_bct): Likewise.
13491 (basic_induction_var): New argument level.
13492 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13493 vtop, and cont. Add used_count_register.
13494 (uid_loop): Delete declaration.
13495 (loop_number_exit_count): Likewise.
13496 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13497 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13498 (loop_outer_loop, loop_used_count_register): Likewise.
13499 (loop_invalid, loop_number_exit_labels): Likewise.
13500 (unroll_loop): Replace loop_start and loop_end arguments
13501 with loop structure pointer.
13502 (loop_precondition_p, loop_iterations): Likewise.
13503 Include basic-block.h.
13504 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13505 with loop structure pointer.
13506 (loop_precondition_p, loop_iterations): Likewise.
13507 * basic-block.h (struct loop): New entries vtop, cont,
13508 cont_dominator, start, end, top, scan_start, exit_labels,
13510 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13512 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13514 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13516 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13518 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13520 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13522 * pdp11-protos.h: New file.
13524 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13527 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13530 * pdp11.md: Likewise.
13532 * 2bsd.h: Likewise.
13534 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13536 * mn10300-protos.h: New file.
13538 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13541 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13544 * mn10300.md: Likewise.
13546 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13548 * mn10200-protos.h: New file.
13550 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13553 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13556 * mn10200.md: Likewise.
13558 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13560 * h8300-protos.h: New file.
13562 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13565 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13568 * h8300.md: Likewise.
13570 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13572 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13573 (asm_emit_uninitialised): Likewise.
13575 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13577 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13578 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13580 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13582 * config/mips/mips.c (override_options): Don't turn on extra
13583 alignment for mips16.
13585 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13587 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13588 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13591 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13593 * builtins.c (PAD_VARARGS_DOWN): Define.
13594 (std_expand_builtin_va_arg): Use the above macro.
13595 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13596 * tm.texi (Register Arguments): Document the above macro.
13598 2000-01-14 Nick Clifton <nickc@cygnus.com>
13600 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13601 that this function has not been used to emit a jump
13604 * jump.c (return_jump_1): Cope with being passed a null rtx.
13606 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13608 * eh-common.h: PROTO -> PARAMS.
13609 * emit-rtl.c: Likewise.
13610 * errors.c: Likewise.
13611 * errors.h: Likewise.
13612 * except.c: Likewise.
13613 * except.h: Likewise.
13614 * explow.c: Likewise.
13615 * expmed.c: Likewise.
13616 * expr.c: Likewise.
13617 * expr.h: Likewise.
13618 * final.c: Likewise.
13619 * fix-header.c: Likewise.
13620 * flow.c: Likewise.
13621 * fold-const.c: Likewise.
13622 * function.c: Likewise.
13623 * function.h: Likewise.
13625 * gcov-io.h: Likewise.
13626 * gcov.c: Likewise.
13627 * gcse.c: Likewise.
13629 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13631 * sh-protos.h: New file.
13633 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13634 Add static prototypes. Fix compile time warnings.
13636 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13640 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13642 * arc-protos.h: New file.
13644 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13647 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13650 * arc.md: Likewise.
13652 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13654 * dsp16xx-protos.h: New file.
13656 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13659 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13662 * dsp16xx.md: Likewise.
13664 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13666 * convex-protos.h: New file.
13668 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13671 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13674 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13676 * elxsi-protos.h: New file.
13678 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13681 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13684 * elxsi.md: Likewise.
13686 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13688 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13689 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13690 match the comment for MIPS16.
13692 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13694 * flow.c (split_edge): Do not call set_block_for_insn if we
13695 do not have a basic_block_for_insn structure.
13697 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13698 and destination functions are 32bit aligned within the trampoline.
13699 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13700 (TRAMPOLINE_ALIGNMENT): Define.
13702 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13703 (set (pc) (label_ref)), verify the change creates a valid insn.
13705 * fr30.c (call_operand): Tighten and rework to match rules for
13706 call RTL expressions.
13707 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13708 * fr30.md (call patterns): Improve constraints.
13710 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13712 * fr30.c (fr30_expand_epilogue): Revert last change.
13713 Use emit_jump_insn for the return insn.
13715 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13716 Stan Cox <scox@cygnus.com>
13718 * predict.c: New file. Preliminary infrastructure work for static
13719 branch prediction and basic block reordering.
13720 * basic-block.h: Add prototype for estimate_probability.
13721 * Makefile.in: Add rules for predict.o.
13723 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13725 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13726 * fixinc/*: Likewise.
13728 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13730 * cccp.c: PROTO -> PARAMS.
13731 * cexp.y: Likewise.
13732 * collect2.c: Likewise.
13733 * combine.c: Likewise.
13734 * convert.h: Likewise.
13736 * dbxout.c: Likewise.
13737 * dbxout.h: Likewise.
13738 * diagnostic.c: Likewise.
13739 * doprint.c: Likewise.
13740 * dwarf2out.c: Likewise.
13741 * dwarf2out.h: Likewise.
13742 * dwarfout.c: Likewise.
13743 * dwarfout.h: Likewise.
13744 * dyn-string.h: Likewise.
13746 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13748 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13749 macro conditionals guarding use.
13751 * dwarf2out.c: Include "tm_p.h".
13753 * function.c (locate_and_pad_parm): Mark parameter with
13755 (expand_function_end): Likewise for variable `context'.
13757 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13759 2000-01-13 Nick Clifton <nickc@cygnus.com>
13761 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13762 register to prevent compile time warnings.
13764 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13766 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13767 to avoid -Wtraditional warning.
13769 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13771 * 1750a-protos.h: New file.
13773 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13776 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13779 * 1750a.md: Likewise.
13781 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13783 * a29k-protos.h: New file.
13785 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13788 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13791 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13793 * clipper-protos.h: New file.
13795 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13798 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13801 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13803 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13805 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
13807 * configure.in (--enable-new-gxx-abi): New option.
13808 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
13809 * Makefile.in (GXX_ABI_FLAG): New variable.
13810 * configure: Regenerate.
13812 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13814 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
13815 * tm.texi (FORCE_STRUCT_BLK): Document.
13816 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
13818 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
13820 * config/ns32k/ns32k.md: Revert Jan 9 change.
13822 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
13823 to a mode-test, if the predicate is address_operand.
13825 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
13827 * combine.c (if_then_else_cond): Be careful about what kinds
13828 of RTL expressions are passed to operand_subword.
13830 * flow.c (split_edge): If we have to insert a new jump, make
13831 sure to associate it with a basic block.
13833 * flow.c (commit_one_edge_insertion): A block with one successor
13834 can end in a JUMP_INSN that is not a simplejump.
13836 2000-01-12 Robert Lipe <robertl@sco.com>
13838 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
13839 (BUILD_VA_LIST_TYPE): Define.
13840 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
13843 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
13845 * cccp.c (do_pragma): Add cast to (char *).
13847 2000-01-12 Richard Henderson <rth@cygnus.com>
13848 Fred Fish <fnf@be.com>
13849 Jason Merrill <jason@cygnus.com>
13851 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
13852 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
13853 * i386/beos-elf.h, i386/beos-pe.h: New files.
13855 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
13856 * cross-make (SYSTEM_HEADER_DIR): Define using
13857 CROSS_SYSTEM_HEADER_DIR.
13859 * gcc.c (LIBRARY_PATH_ENV): Provide default.
13860 (process_command): Use it.
13861 (main): Likewise. Kill trailing = from env vars.
13862 (build_search_list): Put it back.
13863 * collect2.c (main): Use LIBRARY_PATH_ENV.
13865 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
13866 * toplev.c: Use NEED_DECLARATION_ENVIRON.
13868 * tm.texi (Frame Layout): Document SMALL_STACK.
13869 * c-common.c (c_common_nodes_and_builtins): Check it.
13871 * system.h: Undef alloca after including glibc's <stdlib.h>,
13872 if USE_C_ALLOCA is defined.
13874 * gcc.c (set_input): New fn.
13875 (main): After all input files are compiled, reset the input file
13878 * aclocal.m4 (rindex, index): If already defined, don't attempt
13881 * ginclude/varargs.h: (__va_list__): Define ifndef.
13882 * ginclude/stdarg.h: Likewise.
13884 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
13885 instead of unsigned char.
13887 * hash.h (true, false, boolean): Undef before enum.
13889 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
13890 proper type of "HOST_WIDE_INT *", rather than their natural type of
13891 "unsigned HOST_WIDE_INT *".
13893 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13895 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
13897 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
13899 * regclass.c (choose_hard_reg_mode): Likewise.
13901 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
13903 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
13905 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13907 * c-common.c: PROTO -> PARAMS.
13908 * c-common.h: Likewise.
13909 * c-decl.c: Likewise.
13910 * c-iterate.c: Likewise.
13911 * c-lang.c: Likewise.
13912 * c-lex.c: Likewise.
13913 * c-lex.h: Likewise.
13914 * c-parse.in: Likewise.
13915 * c-pragma.c: Likewise.
13916 * c-pragma.h: Likewise.
13917 * c-tree.h: Likewise.
13918 * c-typeck.c: Likewise.
13919 * objc/objc-act.c: Likewise.
13920 * objc/objc-act.h: Likewise.
13922 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13924 * m88k-protos.h: New file.
13926 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
13929 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
13931 * m88k.md: Likewise.
13933 * tekXD88.h: Likewise.
13935 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13937 * m68k-protos.h: New file.
13939 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
13942 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
13944 * mot3300.h: Likewise.
13946 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
13948 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
13950 (extract_bitlist): Declare bitlen.
13952 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
13954 * cccp.c: Accept and ignore -lang-fortran.
13956 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
13957 qualifiers don't match at any level of pointerness.
13959 2000-01-12 Robert Lipe <robertl@sco.com>
13961 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
13963 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
13965 * reload1.c (reload_reg_unavailable): New static variable.
13966 (reload_reg_free_p): Test it.
13967 (reload_reg_free_for_value_p): Test it instead of
13969 (choose_reload_regs_init): Compute it.
13971 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
13973 * reorg.c (fill_slots_from_thread): Check modified_in_p
13976 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
13978 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
13979 these nodes even if INTERNALS is not set.
13981 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
13983 * gcse.c (delete_null_pointer_checks_1): Cope when
13984 get_condition cannot determine the condition.
13986 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
13988 * toplev.h (set_message_length): Declare.
13990 * diagnostic.c (obstack_chunk_alloc): Define macro.
13991 (obstack_chunk_free): Likewise.
13992 (struct output_buffer): New data structure.
13993 (vmessage): Remove.
13994 (output_maximum_width): New variable.
13995 (doing_line_wrapping, set_message_length, init_output_buffer,
13996 get_output_prefix, output_space_left, emit_output_prefix,
13997 output_newline, output_append, output_puts, dump_output,
13998 vbuild_message_string, build_message_string, build_location_prefix,
13999 voutput_notice, output_printf, line_wrapper_printf,
14000 vline_wrapper_message_with_location): New functions. Implement
14001 automatic line wrapping.
14002 (v_message_with_decl): Make it handle automatic line wrapping.
14003 (v_error_with_file_and_line): Likewise.
14004 (v_warning_with_file_and_line): Likewise.
14005 (announce_function): Likewise.
14006 (default_print_error_function): Likewise.
14008 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14010 * cpplib.h (struct cpp_options): Change lang_asm to char.
14012 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14013 done in cpp_handle_option now.
14014 (initialize_builtins): Take out special case code used only by
14016 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14017 if -traditional. Recognize -lang-fortran and set
14018 lang_fortran, also turn off cplusplus_comments.
14019 (print_help): Document -lang-fortran.
14020 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14021 lang_asm. Ignore all directives other than `# 123 "file"' if
14023 (cpp_get_token): If -traditional, don't recognize directives
14024 unless the # is in column 1.
14025 (parse_string): If lang_fortran or lang_asm, silently
14026 terminate strings ('' or "") at end of line.
14027 Remove unnecessary braces.
14029 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14030 Richard Henderson <rth@cygnus.com>
14032 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14034 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14035 strict_low_part when possible.
14037 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14039 * alias.c: PROTO -> PARAMS.
14040 * basic-block.h: Likewise.
14041 * bitmap.c: Likewise.
14042 * bitmap.h: Likewise.
14043 * builtins.c: Likewise.
14044 * c-aux-info.c: Likewise.
14045 * caller-save.c: Likewise.
14046 * calls.c: Likewise.
14048 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14050 * Makefile.in (toplev.o): Depend on regs.h.
14052 * output.h (tdesc_section): Prototype.
14054 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14056 * sdbout.c: Include "tm_p.h".
14058 * toplev.c: Include "regs.h".
14060 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14062 * unroll.c (unroll_loop): Add EH support.
14064 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14066 * pa-protos.h: New file.
14068 * pa.c: Include recog.h and tm_p.h.
14069 (compute_zdepwi_operands, compute_movstrsi_length,
14070 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14071 find_addr_reg, import_milli): Add static prototypes.
14072 (pa_cpu_string, pa_arch_string): Constify a char*.
14073 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14074 (read_only_operand): Add argument `mode'.
14075 (singlemove_string, output_move_double, output_fp_move_double,
14076 output_block_move, output_and, output_ior, output_ascii,
14077 remove_useless_addtr_insns, milli_names, output_mul_insn,
14078 output_div_insn, output_mod_insn, output_arg_descriptor,
14079 output_cbranch, output_bb, output_bvb, output_dbra, ,
14080 output_millicode_call, output_call, hppa_encode_label,
14081 output_parallel_movb, output_parallel_addb): Constify a char*.
14082 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14083 (output_parallel_addb): Remove extra arg to `constrain_operands'
14085 * pa.h: Move all prototypes to pa-protos.h.
14086 (pa_cpu_string, pa_arch_string): Constify a char*.
14087 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14089 * pa.md: Call `function_label_operand' with mode argument.
14090 Likewise for `read_only_operand'.
14091 Fix nesting of parens in call to `symbolic_operand'.
14093 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14095 * i860-protos.h: New file.
14097 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14100 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14102 * i860.md: Likewise.
14104 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14106 * i386.md (movstrsi expander): Rewrite.
14107 (movstrsi_1 insn): Deleted.
14108 (strmovhi, strmovqi expander): New expanders.
14109 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14110 * i386.c (x86_single_stringop): New global variable.
14111 * i386.h (x86_single_stringop): Declare.
14112 (TARGET_SINGLE_STRINGOP): New macro.
14114 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14116 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14117 integer vararg POSTINCREMENT before the destination of the jump
14118 for the hard fp case.
14119 (function_arg_pass_by_reference): Pass a copy of CUM to
14122 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14123 for CONSTANT_ADDRESS_P above while loop for subreg.
14125 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14127 * flow.c (propagate_block): When a prologue/epilogue insn
14128 is marked dead, unconditionally clear libcall_is_dead and
14129 insn_is_dead, and only dump rtl if warnings aren't being
14132 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14134 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14135 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14136 (FIXED_REGISTERS): Set dirflag as fixed.
14137 (CALL_USED_REGISTERS): Set dirflag as used.
14138 (REG_ALLOC_ORDER): Set dirflag as last one.
14139 (DIRFLAG_REG): New macro.
14140 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14141 (HI_REGISTER_NAMES): Add dirflag.
14142 (DEBUF_PRINT_REG): Handle dirflag.
14143 * i386.md (type attribute): New cld and str types.
14144 (length_opcode attribute): Set cld and str to 1.
14145 (memory attribute): Set str to unknown - it is not clear from the
14147 (pent_np function unit): Prefixed string operations takes 12 cycles
14148 minimally; cld takes 2 cycles.
14149 (ppro_uops attribute): Str is "many" and cld is "few".
14150 (ppro_p0 unit): Handle cld here.
14151 (k6_alux unit): Handle cld and str types.
14152 (k6_load unit): It is ocupied by str opcodes.
14153 (k6_store unit): It is ocupied by str opcodes.
14154 (athlon_decode): Str is vector decoded.
14155 (athlon_ieu): Handle str and cld.
14156 (cld pattern): New.
14157 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14158 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14159 cmpstrsi_nz_1 insn): Do not output cld instruction
14161 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14163 * gcc.texi (G++ and GCC): Add Java and Chill.
14164 (Bug Critera): Don't list languages.
14166 * gcc.texi (Incompatibilities): No longer claim most C compilers
14169 * gcc.texi (G++ and GCC): Update other front-ends list.
14171 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14173 * i386.c (ix86_expand_setcc): Fix typo.
14174 (ix86_expand_movcc): Similarly.
14176 * Band-aid until haifa's bitset implementation is nuked.
14177 * haifa-sched.c (extract_bitlst): New parameter for size of the
14178 bitset in bits. All callers changed. Avoid looking at undefined
14179 bits in the bitset.
14180 (edgeset_bitsize): New variable.
14181 (schedule_region): Initialize edgeset_bitsize.
14183 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14185 * Makefile.in (optabs.o): Depend on real.h
14186 (resource.o): Depend on insn-attr.h
14188 * builtins.c (result_vector): Wrap prototype in macro conditions
14189 governing definition and use.
14191 * c-common.c: Include tm_p.h.
14193 * c-lex.c: Likewise.
14195 * elfos.h: Constify a char*.
14197 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14198 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14199 parameter with ATTRIBUTE_UNUSED.
14201 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14204 * haifa-sched.c (schedule_insns): Mark parameter with
14207 * optabs.c: Include real.h.
14209 * real.h (ereal_atof): Add prototype arguments.
14211 * resource.c: Include insn-attr.h.
14213 * sdbout.c (sdbout_queue_anonymous_type,
14214 sdbout_dequeue_anonymous_types): Wrap in macro
14215 SDB_ALLOW_FORWARD_REFERENCES.
14216 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14219 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14221 * stupid.c: Include tm_p.h.
14223 * tree.c (real_value_from_int_cst): Mark parameter with
14226 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14228 * i960-protos.h: New file.
14230 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14233 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14235 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14237 * combine.c (expand_field_assignment): Do not discard SUBREGs
14238 while computing nonzero_bits.
14240 2000-01-09 Nick Clifton <nickc@cygnus.com>
14242 * config/arm/arm.c: Fix compile time warnings about signed vs
14243 unsigned constants.
14244 * config/arm/arm.h: Fix compile time warnings about signed vs
14245 unsigned constants.
14247 2000-01-09 Philip Blundell <philb@gnu.org>
14249 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14250 than `ldm' with only one register.
14251 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14254 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14257 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14259 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14262 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14264 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14265 assignment used as truth value.
14267 * function.c (assign_temp): Mark parameter `dont_promote' with
14268 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14269 PROMOTE_FOR_CALL_ONLY.
14271 * genrecog.c (write_subroutine): Mark variable `operands' with
14274 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14277 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14278 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14280 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14283 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14285 * config/c4x.h: Tidy up comments.
14286 * config/c4x.c: Likewise.
14288 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14290 * fold-const.c (lshift_double, rshift_double): Handle
14291 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14293 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14295 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14296 in prepare_function_start().
14298 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14300 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14301 longer allocate extra stack for function calls.
14303 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14305 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14307 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14309 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14311 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14313 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14314 * aix43.h: Revert Aug 2 change.
14315 (HAS_INIT_SECTION): Define, not visible yet.
14316 (LD_INIT_SWITCH): Define, not visible yet.
14317 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14319 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14321 * collect2.c (main): Expand ld2 size further.
14322 (export_object_lst): Cast assignment to avoid warning.
14323 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14324 (scan_prog_file, COFF): Do not collect initialization or
14325 finalization functions generated for entire shared object if
14326 init/fini support present.
14328 2000-01-07 Nick Clifton <nickc@cygnus.com>
14330 * config/elfos.h: Tidy up formatting of marcos. Make sure
14331 that .section directives are always prefixed by a tab.
14333 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14336 2000-01-07 Matt Austern <austern@sgi.com>
14338 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14341 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14343 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14345 (crtbegin.o, s-crtS): Likewise.
14347 2000-01-06 Richard Henderson <rth@cygnus.com>
14349 * alpha.md (adddi_2+1): Limit offset such that it will be
14350 loadable with a single ldah+lda pair.
14351 (adddi_2+2): Explicitly fail split if we can't make it work.
14353 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14355 * protoize.c: Conditionally include unistd.h.
14356 (IS_SAME_PATH_CHAR): New macro.
14357 (IS_SAME_PATH): New macro.
14358 (CPLUS_FILE_SUFFIX): New macro.
14359 (cplus_suffix): New static variable.
14360 (is_abspath): New static function.
14361 (in_system_include_dir): Handle DOS style pathnames.
14362 (file_could_be_converted): Likewise.
14363 (file_normally_convertible): Likewise.
14364 (directory_specified_p): Likewise.
14365 (file_excluded_p): Likewise.
14366 (abspath): Likewise.
14367 (shortpath): Likewise.
14368 (referenced_file_is_newer): Likewise.
14369 (save_def_or_dec): Likewise.
14370 (do_processing): Likewise.
14372 (edit_file): Likewise. Use rename instead of link.
14373 (rename_c_file): Likewise. Don't rename syscalls file.
14374 (munge_compile_params): Define null device for DOS based systems.
14375 (process_aux_info_file): Use binary mode if appliable.
14376 (edit_file): Likewise.
14377 * invoke.texi (Running Protoize): Document C++ suffixes used.
14379 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14380 IS_DIR_SEPARATOR macros.
14381 * collect2.c: Likewise.
14382 * cppinit.c: Likewise.
14383 * dwarf2out.c: Likewise.
14385 * gcov.c: Likewise.
14386 * prefix.c: Likewise.
14388 * toplev.c: Likewise.
14389 * system.h: And move to here.
14391 * prefix.c (update_path): Fix typo in variable name.
14393 2000-01-06 Richard Henderson <rth@cygnus.com>
14395 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14396 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14397 (count_reg_sets_1, count_reg_references): Likewise.
14398 (flow_loops_level_compute): Start counting actual loop depth at 1.
14399 (flow_loops_find): Likewise.
14400 * local-alloc.c (update_equiv_regs): Likewise.
14401 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14403 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14405 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14406 FIRST_PSEUDO_REGISTER
14407 * dwarf2out.c: Don't include frame.h
14408 * dwarfout.c: Likewise
14409 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14412 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14414 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14417 * i386.c (movsf splitter): Fix typo in my last checkin.
14419 2000-01-05 Nick Clifton <nickc@cygnus.com>
14421 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14422 own definition of this macro.
14423 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14424 flag_data_sections or UNIQUE_SECTION_P are true.
14426 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14427 unitialised data decls.
14429 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14430 being called for uninitialised data.
14432 * config/i386/interix.c (i386_pe_unique_section): Cope with
14433 being called for uninitialised data.
14435 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14436 for uninitialised data.
14438 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14439 for uninitialised data.
14441 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14442 for uninitialised data.
14444 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14445 (UNIQUE_SECTION_P): Always generate a unique section if
14446 flag_data_sections is true.
14447 (UNIQUE_SECTION): Also generate unique sections for
14448 uninitialised data.
14449 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14450 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14453 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14455 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14458 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14460 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14461 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14462 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14463 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14464 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14466 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14468 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14470 * c-decl.c (finish_enum): Simplify code to determine minimum and
14471 maximum values of the enum, and calculate the type. Remove check
14472 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14473 the DECL_INITIAL of each enumeration constant with a copy converted
14474 to the enumeration type. When updating variant types, don't bother
14475 updating the type itself.
14477 * c-typeck.c (build_binary_op): Simplify conditional expressions
14478 when weeding out spurious signed-unsigned warnings. Add new
14479 spurious warning category: if the unsigned quantity is an enum
14480 and its maximum value fits in signed_type(result_type). Update
14482 (build_conditional_expr): Warn here if one alternative is signed
14483 and the other is unsigned.
14485 2000-01-05 Nick Clifton <nickc@cygnus.com>
14487 * config/fr30/fr30.h: Remove extraneous comments.
14489 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14491 * reload1.c (choose_reload_regs): When disabling a reload, also
14492 set reload_spill_index to -1.
14494 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14496 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14498 (m68*-*-rtemself*): New target.
14499 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14500 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14501 (sparc*-*-rtemself*): New target.
14502 (sparc*-*-rtems*): Now elf not a.out.
14503 * config/i386/rtems.h: Include config/rtems.h.
14504 * config/i386/rtemself.h: Include config/rtems.h.
14505 * config/i960/rtems.h: Include config/rtems.h.
14506 * config/m68k/rtems.h: Include config/rtems.h.
14507 * config/m68k/rtemself.h: Include config/rtems.h.
14508 * config/mips/rtems64.h: Include config/rtems.h.
14509 * config/pa/rtems.h: Include config/rtems.h.
14510 * config/rs6000/rtems.h: Include config/rtems.h.
14511 * config/sh/rtems.h: Include config/rtems.h.
14512 * config/sh/rtemself.h: Include config/rtems.h.
14513 * config/sparc/rtems.h: Include config/rtems.h.
14514 * config/sparc/rtemself.h: Include config/rtems.h
14516 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14518 * final.c (shorten_branches): Correctly compute length of
14519 asms without operands.
14521 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14523 * configure.in: Add pj target.
14524 * configure: Regenerate.
14525 * config/pj: New directory.
14526 * config/pj/lib1funcs.S: New file.
14527 * config/pj/linux.h: New file.
14528 * config/pj/pj.c: New file.
14529 * config/pj/pj.md: New file.
14530 * config/pj/pjl.h: New file.
14531 * config/pj/t-pj: New file.
14532 * config/pj/xm-pj.h: New file
14534 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14536 * toplev.c (rest_of_compilation): Run shorten-branches before
14539 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14541 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14542 macros so that they're consistent with their names.
14543 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14544 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14546 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14548 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14549 modified inadvertently.
14551 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14553 * configure.in (v850*-*-rtems*): New target.
14554 * configure: Regenerate.
14555 * config/v850/rtems.h: New file.
14557 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14559 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14560 (__gthread_key_create): Likewise.
14561 (__gthread_key_dtor): Likewise.
14562 (__gthread_once): Fix logic.
14563 (__gthread_key_delete): Cast away constness.
14565 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14566 * invoke.texi: Document.
14567 * i386/mingw32.h (CPP_SPEC): Use.
14568 (LIBGCC_SPEC): Likewise.
14569 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14571 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14573 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14574 (HANDLE_PRAGMA_PACK): Undefine.
14575 (SLOW_UNALIGNED_ACCESS): Define.
14577 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14579 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14580 to default definition.
14581 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14582 (store_fixed_bit_field): Call macro with word_mode and alignment.
14583 (extract_bit_field): Call macro with relevant mode and alignment.
14584 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14585 to default definition.
14586 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14588 (move_by_pieces_ninsns): Likewise.
14589 (clear_by_pieces): Likewise.
14590 (emit_push_insn): Likewise.
14591 (store_field): Call macro with relevant mode and alignment.
14592 (expand_expr): Likewise.
14593 (expand_expr_unaligned): Likewise.
14595 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14596 (SLOW_UNALIGNED_ACCESS): Define.
14597 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14598 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14599 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14600 (toc_section): Likewise and .toc pseudo-op.
14601 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14603 (TEXT_SECTION_ASM_OP): Likewise.
14604 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14607 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14608 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14609 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14610 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14611 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14613 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14615 * regclass.c: Revert my Jan 4 change to loop cost computation.
14617 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14619 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14622 2000-01-04 Stan Cox <scox@cygnus.com>
14624 * haifa-sched.c (build_control_flow): Change unreachable simple
14625 loop test to check if current block has only one predecessor.
14626 (find_rgns): Initialize degree. Use dest as degree index, not src.
14628 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14630 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14632 * calls.c (expand_call): Likewise for
14633 `old_stack_arg_under_construction'.
14635 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14637 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14640 * gcc.c (execute): Likewise for `ut' and `st'.
14642 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14644 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14646 * jump.c (jump_optimize_1): Likewise for `temp2'.
14648 * local-alloc.c (block_alloc): Likewise for `r1'.
14650 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14652 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14653 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14655 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14658 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14659 and `goal_earlyclobber'.
14661 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14663 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14665 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14667 * unroll.c (copy_loop_body): Likewise for `copy'.
14669 * varasm.c (output_constructor): Likewise for `byte'.
14671 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14673 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14674 all FP constants for constant->reg moves.
14675 (ix86_split_to_parts): Try to convert memory address into immediate
14676 when available in the constant pool.
14677 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14679 (LEGITIMATE_CONSTANT_P): Return 1.
14680 * i386.md (pushsf): New splitter to convert constant pool memory
14681 reference to immediate.
14682 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14685 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14687 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14688 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14689 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14690 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14691 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14693 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14695 * ginclude/stdbool.h: Support compilation as C++.
14697 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14699 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14701 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14703 * regclass.c (regclass): Properly compute loop_cost. Adjust
14706 * regclass.c: Fix minor whitespace problems.
14708 2000-01-03 Anthony Green <green@cygnus.com>
14710 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14711 Restore the pic register if required.
14713 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14715 * c-common.c (format_char_info): Update comment.
14716 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14717 was recognized. Emit warning for formats new in ISO C99 only
14718 if flag_isoc9x is not set.
14720 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14722 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14724 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14726 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14727 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14728 (make_compound_operation): Choose cheaper alternative between
14729 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14731 * regclass.c (op_costs): Remove global variable.
14732 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14733 (record_operand_costs): Break out from ...
14734 (scan_one_insn): ... here.
14735 (dump_regclass): Make dumps nicer.
14736 (regclass): Dump preferrences choosed and changes done during passes.
14738 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14740 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14742 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14744 * config/sparc/sparc.c (gen_df_reg): New function.
14745 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14746 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14747 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14748 movtf_cc_reg_sp64+1): Use it.
14750 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14752 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14753 copied LABEL_DECLs.
14755 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14757 * config/i386/i386.c (ix86_expand_unary_operator): Function
14758 definition made void.
14759 (ix86_expand_binary_operator): Update outdated preceding comment.
14760 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14763 * config/i386/i386.c (override_options): Fix option-name typo.
14765 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14767 * system.h (CEIL): Define.
14768 * builtins.c (CEIL): Remove.
14769 * expmed.c (CEIL): Likewise.
14770 * expr.c (CEIL): Likewise.
14771 * stor-layout.c (CEIL): Likewise.
14773 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14775 * expr.c (store_constructor_field): Fix typo introduced with last
14778 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14780 * tree.h (BINFO_N_BASETYPES): New macro.
14782 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14784 * expmed.c (emit_store_flag): Prevent losing a pending stack
14785 adjust the same way we prevent losing queued increments.
14787 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14789 * function.c (update_temp_slot_address): Handle case where sum of
14790 temporary address plus offset in register is a valid address.
14792 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14794 * genrecog.c (change_state) Corrected typo.
14796 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14798 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
14799 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
14800 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
14802 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
14804 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
14805 case, expand GT comparisons correctly. Fix a comment before this
14808 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14810 * dwarfout.c: Include "frame.h"
14811 * dwarf2out.c: Likewise.
14812 * Makefile.in (dwarfout.o): Depend on frame.h
14813 (dwarf2out.o): Likewise.
14815 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
14817 Restore i386 binary compatibility in Dwarf EH info.
14818 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
14819 value of FIRST_PSEUDO_REGISTER.
14820 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
14821 (struct frame_state): Use DWARF_FRAME_REGISTERS.
14822 * dwarfout.c (output_reg_number): Ditto.
14823 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
14824 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
14826 1999-12-29 Bruce Korb <autogen@linuxbox.com>
14828 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
14829 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
14830 (<hack>_RE_CT): not needed
14831 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
14832 rewritten to scan the file text once only
14833 "template<..." test added
14834 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
14835 (is_cxx_header): declaration added
14836 * fixinc/fixtests.c(is_cxx_header): removed
14837 (apply_fix_p_t): removed
14838 (double_slash_test): is_cxx_header is only called once now
14839 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
14840 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
14841 within the templates.
14842 The borken spelling of "broken" was fixed.
14843 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
14844 The default level depends on FIXINC_DEBUG.
14846 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14848 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
14849 Otherwise provide a declaration for atexit.
14850 (init_dummy): Make sure dummy call to atexit is nevertheless
14851 called with correct number of args.
14853 * frame.c: Update comments referring to other files.
14855 * libgcc2.c: Likewise.
14857 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14859 * cse.c (free_element, get_element): Remove unused prototypes.
14861 * fold-const.c (extract_muldiv): Initialize variables `op0' and
14864 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
14867 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
14869 * configure.in,configure: case arm for mn10200-*-* now sets
14870 float_format=i32 so that float.h will correctly claim "double"
14871 to be 32 bits. Ran autoconf to generate configure from .in file.
14873 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
14875 * pa.md (conditional zero): If op1 is a register, force it into
14876 the same register as op0.
14878 1999-12-28 Mark Mitchell <mark@codesourcery.com>
14880 * tree.h (BINFO_BASETYPES): Improve documentation.
14882 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14884 * configure.in (--enable-checking): Use a more portable `for'
14887 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14889 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
14890 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
14892 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
14895 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
14896 Delete descriptions.
14898 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
14899 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
14900 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
14901 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
14902 xm-svr4.h: Remove all instances of sys_siglist handling.
14904 1999-12-27 Jakub Jelinek <jakub@redhat.com>
14906 * config/sparc/sparc.md (cmp_zero_qi,
14907 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
14908 cmp_zero_extendqidi2_andcc_set): New patterns.
14910 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
14912 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
14913 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
14914 (fpgnulib.c, xfgnulib.c): Add rules.
14915 * m68k/t-mot3300-gas: Likewise.
14917 1999-12-27 Ian Lance Taylor <ian@zembu.com>
14919 * configure.in: Avoid [[ by using test and changequote. Add
14920 changequote required by 1999-12-14 change.
14921 * configure: Rebuild.
14923 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
14925 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
14927 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
14929 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
14930 * flow.c (find_use_as_address): Likewise.
14931 * function.c (fixup_var_refs_1): Likewise.
14932 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
14933 * jump.c (invert_exp, redirect_exp): Likewise.
14934 * loop.c (replace_call_address): Likewise.
14935 (count_nonfixed_reads): Likewise.
14936 * rtlanal.c (modified_between_p): Likewise.
14937 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
14938 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
14939 * unroll.c (remap_split_bivs): Likewise.
14941 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14943 * diagnostic.c (v_message_with_decl): Use .* format specifier
14944 instead of building the format specifier width manually.
14946 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
14947 determining whether to provide a prototype. Remove the
14948 sys_siglist clause in the conditional.
14950 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14952 * fold-const.c (operand_equal_p): Use memcmp to compare string
14954 Suggested by D. J. Bernstein
14956 1999-12-17 Jakub Jelinek <jakub@redhat.com>
14958 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
14959 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
14961 * config/mips/mips.h (TARGET_64BIT): Likewise.
14962 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
14963 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
14964 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
14965 dsps. Give routines proper names if SI/DI modes are not used.
14966 * longlong.h: Use DWunion instead of DIunion.
14968 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
14970 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
14971 GC_CHECKING, GC_ALWAYS_COLLECT.
14972 * configure.in: Allow --enable-checking with an argument
14973 listing check modes to enable.
14974 * config.in, configure: Rebuilt.
14975 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
14976 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
14977 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
14978 ENABLE_GC_ALWAYS_COLLECT.
14979 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
14981 * tree.h, tree.c: Change ENABLE_CHECKING to
14982 ENABLE_TREE_CHECKING throughout.
14984 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14986 * fold-const.c (fold_truthop): Properly check for FP RHS.
14988 1999-12-24 Mark Mitchell <mark@codesourcery.com>
14990 * toplev.h (note_deferall_of_defined_inline_function): Declare.
14991 * toplev.c (note_deferral_of_defined_inline_function): New
14992 function, split out from ...
14993 (rest_of_compilation): ... here. Use it.
14995 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14997 * expr.c (store_constructor): Don't call clear_storage if size is
15000 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15002 * Makefile.in (toplev.o): Depend on loop.h.
15004 * dwarfout.c: Include tm_p.h.
15006 * emit-rtl.c (restore_emit_status): Mark parameter with
15009 * final.c (final_scan_insn): Likewise.
15011 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
15012 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
15013 flow_depth_first_order_compute, flow_loop_pre_header_find,
15014 flow_loop_tree_node_add, flow_loops_tree_build,
15015 flow_loop_level_compute, flow_loops_level_compute,
15016 flow_loop_outside_edge_p): Add prototypes.
15017 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
15019 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
15020 Mark with ATTRIBUTE_NORETURN.
15022 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
15024 * local-alloc.c (no_conflict_p): Likewise.
15026 * loop.c (insert_bct): Hide definitions of variables with hidden
15028 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
15030 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
15031 with ATTRIBUTE_UNUSED.
15032 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
15033 (reg_scan): Likewise.
15035 * reload.c (find_reloads): Remove unused variables `changed'.
15037 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
15039 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
15040 Remove unused variable `insn'.
15042 * toplev.c: Include loop.h.
15043 (report_file_and_line): Remove unnecessary prototype.
15045 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
15047 * unroll.c (biv_total_increment): Likewise.
15049 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15051 * reload1.c (emit_input_reload_insns): Restore old behaviour
15052 wrt. 'special' reloads.
15054 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
15056 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
15057 hash.h. (cse.c): Don't depend on hashtab.h.
15059 * cse.c: Don't include hashtab.h.
15060 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
15062 * ggc-simple.c: Don't include hash.h.
15064 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
15066 * dwarf2out.c (add_abstract_origin_attribute): Call
15067 gen_abstract_function on our function context.
15069 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
15071 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
15073 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15075 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
15078 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15080 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
15081 constraints to "a!r".
15083 1999-12-21 Mark Mitchell <mark@codesourcery.com>
15085 * Makefile.in (calls.o): Depend on function.h.
15086 (alias.o): Likewise.
15088 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
15090 * reload1.c (emit_reload_insns): Break out code and variables into...
15091 (input_reload_insns, other_input_address_reload_insns,
15092 other_input_reload_insns, input_address_reload_insns,
15093 inpaddr_address_reload_insns, output_reload_insns,
15094 output_address_reload_insns, outaddr_address_reload_insns,
15095 operand_reload_insns, other_operand_reload_insns,
15096 other_output_reload_insns): ... new static variables, and...
15097 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
15098 do_output_reload): ... new functions.
15100 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15102 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
15104 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15106 * md.texi: Add c4x constraints documentation.
15108 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15110 * config/i386/dgux.c (struct option): Rename to
15111 lang_independent_option.
15112 (struct m_options): Add description field.
15113 (output_options): Rename option type, add sep declaration, output
15114 ix86_cpu_string and ix86_arch_string only if set.
15115 (output_file_start): Rename option type.
15117 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
15119 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
15121 (libgcc2.a): Similarly.
15123 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
15125 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
15126 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
15127 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
15129 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
15131 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
15132 Remove redundant initialization of "frexpon" and "expon".
15134 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15136 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
15138 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
15139 (store_constructor_field, expand_expr): Pass new arg.
15141 1999-12-20 Mark Mitchell <mark@codesourcery.com>
15143 * Makefile.in (explow.o): Depend on function.h.
15145 * stor-layout.c (set_sizetype): Fix typo.
15147 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
15149 * function.c (cfun): Renamed from current_function. All users
15151 * function.h (cfun): Rename declaration as well.
15153 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
15154 to be of type regset_head, not regset. All users changed by adding
15156 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
15158 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15160 * config/c4x/rtems.h: New file.
15162 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
15164 * reload1.c (spill_failure): Take class of failed reload as argument
15165 and print it. Caller changed.
15167 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15169 * rs6000.h (SUBTARGET_DEFAULT): New macro.
15170 (TARGET_SWITCHES): Allow subtargets to default switches.
15171 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
15173 1999-12-18 Mark Mitchell <mark@codesourcery.com>
15175 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
15178 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
15180 * cccp.c (main): Define __STDC_VERSION__ as necessary.
15181 * cppinit.c (cpp_handle_option): Likewise.
15183 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
15184 determine when to define.
15186 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
15188 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
15189 cmove with mismatched test and data modes.
15191 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
15193 * c-typeck.c (c_expand_start_case): Don't warn for long switch
15196 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15198 * alias.c: Minor reformatting.
15199 * flow.c: Likewise.
15200 * regs.h: Likewise.
15201 * stor-layout.c: Likewise.
15202 * fold-const.c: Likewise.
15203 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
15204 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
15206 (size_int_wide): Cache nodes even if garbage collecting.
15207 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
15208 of SAVE_EXPR has no side effects.
15209 * cse.c: Move a comment.
15210 * tree.c: Minor reformatting.
15211 (int_size_in_bytes): Return -1 if constant overflows.
15213 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15215 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
15217 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
15219 * objc/objc-parse.c: Regenerate. This file must be rebuilt
15220 after any change to c-parse.in, even if objc-parse.y didn't
15223 1999-12-18 David S. Miller <davem@redhat.com>
15225 * toplev.c (rest_of_compilation): Restore BLOCK tree
15226 reconstruction and branch shortening changes lost in
15227 December 18th change.
15229 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
15231 * config/arm/linux-elf.h: Change all instances of
15232 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
15233 * config/arm/uclinux-elf.h: Likewise.
15235 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
15237 * toplev.c (notice, vmessage, v_message_with_file_and_line,
15238 v_message_with_decl, file_and_line_for_asm,
15239 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
15240 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
15241 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
15242 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
15243 pfatal_with_name, fatal_io_error, need_error_newline,
15244 last_error_function, last_error_tick, announce_function,
15245 default_print_error_function, print_error_function,
15246 report_error_function, fnotice, error_with_file_and_line,
15247 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
15248 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
15249 warning_with_decl, warning_for_asm, warning, pedwarn,
15250 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
15252 (compile_file): Use fnotice instead of notice. Adjust call.
15254 * diagnostic.c: New file.
15256 * Makefile.in (OBJS): Include diagnostic.o
15257 (diagnostic.o): Define dependence.
15259 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15261 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
15264 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15266 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
15268 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15270 * fixtests.c (is_cxx_header): New fn, split out of
15272 (else_endif_label): Allow "#endif // comment" in C++ headers,
15273 as determined by is_cxx_header.
15274 * fixfixes.c (else_endif_label_fix): Update comment.
15275 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
15277 * genfixes: Correct double thinko in commandline parsing.
15278 * hackshell.tpl: Generate correct sh syntax for bypass
15281 * inclhack.def (all): Whenever an inserted preprocessor
15282 conditional is split over multiple lines, use double
15283 backslashes in this file so the fixed header will be readable.
15285 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
15286 and add bypass entry for correct version of this header.
15287 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
15288 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
15290 (hpux8_bogus_inlines): New fix, split from...
15291 (ultrix_atof_param) ... here.
15292 (math_expression): Add bypass entry keyed to glibc comment
15293 indicating the problem has been dealt with; disable
15294 unnecessary sed operations; update commentary.
15295 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
15296 add select and bypass entries, simplify shell operation.
15297 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
15299 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
15300 ultrix_atof_param): Add select entry.
15301 (stdio_va_list, sunos_mather_decl): Add bypass entry.
15302 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
15303 comments with the fixes they describe.
15305 * c-parse.in (string action): Do not warn about ANSI string
15306 concatenation in system headers. Affects C parser only.
15307 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
15309 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15311 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
15312 compiling libgcc2 the macro depends always on arch cpp defines.
15314 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
15316 * loop.c (insert_loop_mem): Don't record MEMs from inside
15319 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
15321 * regclass.c (regclass): Do not use flowgraph when not optimizing.
15323 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
15324 notes too, create one when replacement failed, attempt to simplify
15326 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
15327 or REG_EQUIV notes.
15329 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15331 * crtstuff.c (__dso_handle): Declare.
15332 (__cxa_finalize): Likewise.
15333 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
15336 * invoke.texi: Document -fuse-cxa-atexit.
15338 * tree.h (ptr_type_node): Document.
15339 (const_ptr_type_node): Likewise.
15341 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15343 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
15344 (optimize_reg_copy_2): Likewise.
15345 (optimize_reg_copy_3): Likewise.
15346 (fixup_match_2): Likewise.
15347 (regmove_optimize): Likewise.
15348 (fixup_match_1): Liekwise.
15350 * i386.md (HI to SImode promoting splitters): Rewrite.
15351 (pushsf mem peep2): New.
15352 (testhi to andhi peep2): Remove.
15353 * i386.h (x86_promote_QImode): New.
15354 (TARGET_PROMOTE_QImode): New.
15355 (PREDICATE_CODES): Add promotable_binary_operator.
15356 * i386.c (x86_promote_QImode0: New.
15357 (promotable_binary_operator): New.
15358 * i386-protos.h (promotable_binary_operator): New.
15360 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
15362 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
15364 1999-12-16 Mark Mitchell <mark@codesourcery.com>
15366 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
15367 * function.c (insert_block_after_note): Remove.
15368 (retrofit_block): Likewise.
15369 (identify_blocks): Fix indentation.
15370 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
15371 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
15372 * function.h (insert_block_after_note): Remove prototype.
15373 (retrofit_block): Likewise.
15374 * integrate.c (expand_inline_function): Don't call
15375 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
15376 just expand_start_bindings. Use the block_map to remap old
15377 NOTE_BLOCKs to new ones.
15378 (integrate_decl_tree): Keep track of remapped blocks.
15379 * integrate.h (struct inline_remap): Add block_map.
15380 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
15381 NOTE_BLOCK on the notes.
15382 (expand_start_bindings): Rename to ...
15383 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
15384 (expand_end_bindings): Set NOTE_BLOCK.
15385 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
15386 reconstruct the BLOCK tree.
15387 * tree.h (expand_start_bindings): Macroize. Call ...
15388 (expand_start_bindings_and_block): New function.
15390 1999-12-16 Jakub Jelinek <jakub@redhat.com>
15392 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
15393 to match the format.
15395 1999-12-16 David S. Miller <davem@redhat.com>
15397 * expr.c (emit_move_insn_1): Only emit clobbers if one of
15398 the outputs is a SUBREG.
15399 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
15402 * config/sparc/sparc.c (epilogue_renumber): Add default case
15405 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15407 * toplev.c (rest_of_compilation): Run branch shortening after
15410 * regclass.c (loop_depth): Remove
15411 (scan_one_insn): Do not handle LOOP_NOTE insns.
15412 (regclass): Go through basic blocks and set loop_cost
15414 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
15416 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
15418 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15420 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
15421 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
15422 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
15424 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
15426 * loop.c (insert_loop_mem): Ignore memory clobbers.
15428 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
15431 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
15433 * profile.c: Remove redundant #include "output.h".
15435 * h8300.md (HImode preinc peephole): Fix typo.
15437 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15439 * function.c (retrofit_block): Abort if we don't find a suitable insn.
15440 (insert_block_after_note): Abort if we don't have a previous block.
15441 Remove FN parameter.
15442 * function.h: Adjust.
15444 1999-12-15 Mark Mitchell <mark@codesourcery.com>
15446 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
15447 argument more than once.
15449 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15451 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
15453 1999-12-15 Jakub Jelinek <jakub@redhat.com>
15455 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
15457 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15459 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
15460 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
15461 update stack_alignment_needed.
15462 (prepare_function_start): Initialize stack_alignment_needed
15463 * function.h (struct function): Add field stack_alignment_needed.
15465 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15467 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
15468 Handle live_throughout / dead_or_set instead of live_before /
15470 (save_call_clobbered_regs): Get register livenessinformation from
15471 chain->live_throughout.
15472 (add_stored_regs): New function.
15473 (insert_restore, insert_save): Add restored / saved registers to
15475 * global.c (reg_dies): New parameter chain.
15476 (reg_becomes_live): Third parameter is regs_set now.
15477 Changed all callers.
15478 (reg_dies): New parameter chain. Changed all callers.
15479 (build_insn_chain): Set live_throughout instead of
15480 live_before / live_after.
15481 * reload.h (struct insn_chain): Replace members live_before /
15482 live_after with live_throughout / dead_or_set.
15483 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
15484 instead of live_before / live_after.
15485 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
15486 (order_regs_for_reload, find_reg, finish_spills): Likewise.
15487 (choose_reload_regs_init): Likewise.
15488 * stupid.c (current_chain, find_clobbered_regs): Delete.
15489 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
15490 instead of chain->live_before / chain->live_after.
15491 (mark_hard_ref): New function.
15492 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
15494 1999-12-15 David S. Miller <davem@redhat.com>
15496 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
15498 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15500 * flow.c (calculate_loop_depth): Make global, remove prototype,
15501 rewrite to use new loop infrastructure.
15502 (find_basic_block): Remove calculate_loop_depth call.
15503 * toplev.c (rest_of_compilation): Call find_basic_block.
15504 * output.h (calculate_loop_depth): Declare.
15506 * flow.c (dump_flow_info): Dump loop_depth.
15507 (flow_loops_nodes_find): Increase loop_depth for basic block in the
15509 (flow_loops_find): Initialize the loop_depth for each basic block.
15511 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
15513 * tree.c (decl_function_context): Handle virtual functions.
15515 * tlink.c (scan_linker_output): Don't look in demangled name when
15516 looking for linker output keywords.
15518 * dwarfout.c (output_type): We can defer namespace-scope classes.
15520 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
15522 * regclass.c (record_reg_classes): Update comment for merging
15523 register class preferences in reg->reg copies. Tighten conditions
15524 for merging register class preferences in reg->reg copies.
15526 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
15528 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
15530 1999-12-14 Geoff Keating <geoffk@cygnus.com>
15532 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
15533 (INIT_SECTION_ASM_OP): Delete.
15534 (FINI_SECTION_ASM_OP): Delete.
15535 (STARTFILE_SPEC): Define to hold just crtbegin.o.
15537 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
15539 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
15540 the abstract origin wasn't emitted.
15542 * dwarf2out.c (class_scope_p): New fn.
15543 (gen_subprogram_die): Use it.
15544 (gen_variable_die): Use it. Tweak logic.
15545 (gen_struct_or_union_type_die): Check context_die to determine
15546 if we're function-local.
15547 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
15549 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15551 * loop.c (check_dbra_loop): Can't reverse a biv that has
15552 maybe_multiple set.
15554 1999-12-14 Nick Clifton <nickc@cygnus.com>
15556 * config/arm/arm.c: Add support for -mcpu=arm720 command line
15559 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15561 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
15562 for givs made from biv increments.
15564 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
15566 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
15567 * alpha.c (override_options): Recognize -mcpu=ev67.
15568 * alpha.h (CPP_CPU_EV67_SPEC): New.
15569 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
15570 (EXTRA_SPECS): Update.
15572 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
15574 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
15575 appropriate for -lang-c89 and -std=*.
15576 * cppinit.c (cpp_handle_option): Likewise.
15577 (new_pending_define): New, split out from cpp_handle_option.
15578 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
15579 or enable trigraphs for -ansi/-std=*.
15581 * ginclude/stdarg.h (__va_copy): New.
15582 (va_copy): Don't define for C89.
15584 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
15586 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
15587 for long long multiply-accumulate.
15589 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15591 * regclass.c (scan_one_insn): Set loop_cost to 1 when
15592 optimizing for size.
15594 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15596 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
15597 if something changed. Back out that part of yesterday's changes.
15599 * loop.c (loop_max_reg): New static variable.
15600 (loop_optimize): Initialize it. Eliminate one unnecessary call to
15602 (scan_loop): Call reg_scan_update whenever we may have added new
15603 registers, and update loop_max_reg.
15605 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15607 * regclass.c (record_reg_classes): Do not do the copying preferrencing
15608 when source does not die.
15610 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
15612 1999-12-14 Jakub Jelinek <jakub@redhat.com>
15614 * config/sparc/linux64.h (TARGET_LIVE_G0,
15615 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
15617 * config/sparc/linux.h (TARGET_LIVE_G0,
15618 TARGET_BROKEN_SAVERESTORE): Likewise.
15619 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
15620 TARGET_BROKEN_SAVERESTORE): Likewise.
15622 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
15623 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
15625 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
15626 as sparc64 block profiling register.
15627 * config/sparc/sparc.c (sparc_override_options): Allow block
15628 profiling with -m32.
15629 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
15630 profiling register.
15631 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
15632 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
15633 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
15635 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
15637 * config/sparc/sparc.h: Likewise.
15638 * config/sparc/xm-sysv4-64.h: Likewise.
15639 * config/float-sparc.h: Likewise.
15640 * glimits.h: Likewise.
15641 * longlong.h: Likewise.
15643 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
15644 (ASM_IDENTIFY_GCC): Remove.
15646 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
15648 * combine.c (combine_simplify_rtx): Don't make shared rtl.
15649 (simplify_logical): Likewise.
15651 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15653 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
15654 * cppfiles.c (INO_T_EQ): Likewise.
15656 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
15658 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
15659 * i386/mingw32.h (LIB_SPEC): Likewise.
15660 (STARTFILE_SPEC): Likewise.
15661 * i386/uwin.h (LIB_SPEC): Likewise.
15662 (STARTFILE_SPEC): Likewise.
15664 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
15665 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
15667 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
15669 * combine.c (combine_simplify_rtx): Fix order of checks for
15670 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
15672 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
15674 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
15675 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
15677 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15679 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
15681 * regclass.c (inv_reg_alloc_order): New array.
15682 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
15684 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
15685 counted_for_groups, counted_for_nongroups. Add fields rld and
15687 * reload.c (push_secondary_reload): Don't set nongroup field of
15689 (push_reload): Likewise.
15690 (find_reloads): Delete code to compute nongroup fields.
15691 * reload1.c (reload_insn_firstobj): New static variable.
15692 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
15694 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
15695 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
15696 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
15698 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
15700 (struct hard_reg_n_uses): Deleted.
15701 (potential_reload_regs): Deleted.
15702 (init_reload): Initialize spilled_pseudos and pseudos_counted.
15703 (reload): Don't try to allocate reload registers if we already know
15704 we have to make another pass. Call select_reload_regs. Free memory
15705 starting with reload_firstobj when starting another pass.
15706 Don't allocate spilled_pseudos.
15707 (calculate_needs_all_insns): Call copy_reloads for an insn that
15708 needs reloads; don't call calculate_needs.
15709 (spill_cost): New static array.
15710 (used_spill_regs_local): New static variable.
15711 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
15712 to compute potential_reload_regs.
15713 (find_reload_regs): Completely rewritten to use find_reg.
15714 (allocate_reload_reg): Don't test counted_for_groups or
15715 counted_for_nongroups. Lose NOERROR arg and code to give an error;
15716 all cllers changed.
15717 (choose_reload_regs): Add fallback code that uses the existing
15718 register allocation from find_reload_regs.
15720 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
15722 * flow.c (create_edge_list): Cast xmalloc return value.
15724 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
15726 * doprnt.c: Remove incorrect comment closure.
15728 * cse.c: Fix a few minor whitespace goofs.
15730 1999-12-13 Don Bowman <don@pixstream.com>
15732 * mips/vxworks.h: Fix problem with comment termination.
15733 (EXTRA_SECTIONS): Add in_sbss.
15734 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
15736 1999-12-12 David S. Miller <davem@redhat.com>
15738 * cse.c (struct cse_reg_info): Add hash_next member,
15739 reorder rest of struct for better packing on 64-bit
15741 (cse_reg_info_tree): Kill.
15742 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
15743 REGHASH_FN): New custom pow2 hash mechanism.
15745 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
15746 use a pow2 hash table.
15747 (get_cse_reg_info): Rework to use new REGHASH.
15748 (new_basic_block): Likewise, use HASH_SIZE, and inline
15750 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
15751 and inline free_element call.
15752 (lookup_as_function, insert, flush_hash_table, invalidate,
15753 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
15754 invalidate_for_call, use_related_value, find_comparison_args,
15755 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
15756 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
15757 get_element): Kill.
15759 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
15761 * cse.c (cse_basic_block): Free qty_table consistently.
15763 1999-12-12 David S. Miller <davem@redhat.com>
15764 Jakub Jelinek <jakub@redhat.com>
15766 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
15767 SUBREGs by hand, gen the appropriate hard reg directly.
15768 (movtf reg/mem split): Likewise and alter_subreg on destination
15770 (movtf mem/reg split): Similarly.
15771 (movdf_cc_sp64): Rename from hidden pattern.
15772 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
15773 (movtf_cc_sp64, following split): New pattern and splitter.
15774 (movdf_cc_reg_sp64): Rename from hidden pattern.
15775 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
15777 (movtf_cc_reg_sp64, following split): New pattern and splitter.
15779 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
15781 * loop.c (load_mems): Don't hoist written floating point mem
15784 1999-12-12 Mark Mitchell <mark@codesourcery.com>
15786 * except.h (struct eh_queue): Add `next' pointer.
15787 (struct eh_status): Make x_ehqueue a pointer.
15788 (push_ehqueue): Declare.
15789 (pop_ehqueue): Likewise.
15790 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
15792 (expand_fixup_region_end): Likewise.
15793 (expand_leftover_cleanups): Likewise.
15794 (push_ehqueue): Define.
15795 (pop_ehqueue): Likewise.
15796 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
15797 than doing it inline.
15798 (expand_start_all_catch): Adjust now that ehqueue is a
15800 (mark_eh_queue): Mark all level of the queue.
15801 (mark_eh_status): Adjust now that ehqueue is a
15803 (init_eh_for_function): Allocate ehqueue.
15804 (free_eh_status): Free it.
15805 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
15806 expansion for a fixup.
15808 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15810 * gthr-single.h (__gthread_active_p): Add prototype arguments.
15812 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
15813 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
15814 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
15815 function_ptr, getpagesize, __enable_execute_stack,
15816 __enable_execute_stack, __clear_insn_cache,
15817 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
15818 _cleanup, _exit, __default_terminate, __terminate_func,
15819 __terminate, __empty, __throw, new_eh_context,
15820 eh_context_initialize, eh_context_static, eh_context_specific,
15821 get_eh_context, __get_eh_context, __get_eh_info,
15822 init_reg_size_table, eh_threads_initialize,
15823 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
15824 __unwinding_cleanup, throw_helper, __throw, __rethrow,
15825 __pure_virtual): Add prototype arguments.
15826 (__bb_exit_func): Cast a sizeof to long when comparing against one.
15827 Cast a signed value to unsigned long when comparing against one.
15828 (new_eh_context): Wrap in _GTHREADS macro.
15829 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
15831 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
15832 (throw_helper): Initialize variables `handler_p' and `pc_p'.
15834 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15836 * combine.c (record_promoted_value): Remove unused variable
15839 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
15841 * global.c (record_conflicts): Likewise for `j'.
15843 * genoutput.c (output_insn_data): Don't unnecessarily cast away
15846 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15848 * i386-protos.h (output_387_binary_op, output_fix_trunc,
15849 output_fp_compare): Constify a char*.
15851 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
15853 (override_options, ix86_comp_type_attributes, print_operand,
15854 output_387_binary_op, output_fix_trunc, output_fp_compare):
15856 (ix86_sched_reorder): Mark parameter `clock_var' with
15859 * i386.h (DEBUG_PRINT_REG): Constify a char*.
15861 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
15863 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
15864 operand, for use in the Java front-end.
15866 1999-12-10 Ben Collins <bcollins@debian.org>
15868 * configure.in: Fix typo for "-64" in 64bit as check.
15869 * configure: Rebuilt.
15871 1999-12-10 Jakub Jelinek <jakub@redhat.com>
15873 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
15876 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15878 * c-parse.in (string): With -Wtraditional, warn if ANSI string
15879 concatenation is utilized.
15881 * invoke.texi (-Wtraditional): Document it.
15883 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15885 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
15886 Cast a ptrdiff_t to long and pass it to printf with %ld.
15888 1999-12-10 Geoff Keating <geoffk@cygnus.com>
15890 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
15891 68881, we have no 68881 registers at all.
15892 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
15893 value in a 68881 register if it is available.
15895 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
15897 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
15898 for long long multiply-accumulate.
15900 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
15902 * loop.c (insert_loop_mem): Undo last change.
15904 1999-12-10 David S. Miller <davem@redhat.com>
15906 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
15908 * config/sparc/sparc-protos.h: Add them.
15909 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
15910 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
15911 constraints which use those helpers.
15912 (EXTRA_CONSTRAINT): Use this new macro.
15913 * md.texi: Update sparc target constraints documentation.
15914 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
15915 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
15916 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
15917 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
15918 (movsf high/lo_sum split): Rework for new patterns.
15919 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
15921 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
15923 * c-common.c (c_common_nodes_and_builtins):
15924 Create __builtin_ptrdiff_t and __builtin_size_t.
15926 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
15928 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
15930 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15932 * regclass.c (globalize_reg): Re-instate test that allows
15933 fixed registers to be declared as a variable even after functions
15936 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15938 * i386.md (cpu attribute): Add "athlon".
15939 (athlon_decode): New attribute.
15940 (Athlon scheduling units definitions): New.
15941 (fcmp and shld patterns): Set athlon_decode to "vector".
15942 * i386.c (athlon_cost): New.
15944 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
15945 x86_use_sahf): Set for Athlon.
15946 (x86_use_fiop): Unset for Athlon.
15947 (override_options): Define Athlon alignments and "athlon" name.
15948 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
15949 * i386.h (TARGET_ATHLON): New.
15950 (enum processor_type): Add PROCESSOR_ATHLON.
15951 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
15953 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
15955 1999-12-09 Andreas Jaeger <aj@suse.de>
15957 * loop.c (record_biv): Declare parameter as int.
15959 * config/i386/i386-protos.h: Declare long_memory_operand.
15961 1999-12-09 Mark Mitchell <mark@codesourcery.com>
15963 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
15964 EXPR_WITH_FILE_LOCATION.
15966 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
15968 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
15971 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
15973 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
15976 1999-12-09 Jakub Jelinek <jakub@redhat.com>
15978 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
15979 default on linux64 again.
15980 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
15981 models for multilibing.
15982 * genmultilib: Accept | as alternative separator within a set in
15985 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
15987 * calls.c (precompute_arguments): Make sure initial_value contains
15988 value pseudo which CSE expects.
15989 * cse.c (struct set): New entry orig_src.
15990 (cse_insn): Set it early on entry, use it for libcall EQUIV note
15993 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
15995 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
15997 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
15999 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
16001 1999-12-08 Jakub Jelinek <jakub@redhat.com>
16003 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
16004 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
16006 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
16009 * longlong.h: Merge in changes from glibc.
16010 Also don't clobber %g2 register in 32bit SPARC assembly, so that
16011 -mno-app-regs libgcc can be compiled.
16012 * libgcc2.c: Add defines so that the updated longlong.h
16013 can be used in libgcc2.a. Also, make sure on most architectures
16014 (at least on all which have optimized code in longlong.h defined
16015 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
16017 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16019 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
16020 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
16021 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
16023 * configure: Rebuilt.
16025 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
16027 * alpha.c (secondary_reload_class): For !BWX, sub-simode
16028 outputs require a register.
16030 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
16032 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
16033 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
16034 functions like dptoul will be resolved.
16035 (libgcc2.a): Make sure that the object files from DPBIT are named
16036 differently (prefix `_dp') from those that would be coming from
16039 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
16041 * configure.in: When target is sparc* and tm_file contains 64,
16042 test for 64bit support in assembler. If not supported, remove
16043 sparc/t-sol2-64 from target-dependent Makefile fragments.
16044 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
16045 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
16046 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
16047 * acconfig.h (AS_SPARC64_FLAG): Added.
16048 * configure, config.in: Rebuilt.
16049 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
16050 support. Use AS_SPARC64_FLAG.
16052 1999-12-07 Jakub Jelinek <jakub@redhat.com>
16054 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
16055 suitable for holding OFmode values so that gcc works with complex
16057 (hard_64bit_mode_classes): Likewise.
16059 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
16060 so that it is actually matched.
16061 (sethi_di_medlow): Likewise.
16063 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
16064 as legitimate constant if -mvis.
16065 * config/sparc/sparc.md (movtf): Likewise.
16066 (clear_sf): Use const_double_operand.
16067 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
16069 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
16070 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
16071 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
16072 routines, _Qp_* cannot be handled like that now.
16073 (INIT_TARGET_OPTABS): Likewise.
16074 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
16075 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
16076 sparc_emit_float_lib_cmp if ARCH64 and soft float.
16077 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
16078 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
16079 divtf3, sqrttf3): New expanders.
16080 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
16081 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
16082 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
16085 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
16086 * configure: Rebuilt.
16087 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
16088 -mcpu is given and we're doing 64bit compiles.
16090 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
16092 * loop.h (struct induction): Add multi_insn_incr.
16093 * loop.c (basic_induction_var): New multi_insn_incr argument.
16094 Set it if we search back through previous insns for the biv.
16095 (record_biv): New multi_insn_incr argument; fill in struct induction.
16096 (strength_reduce): Discard an iv with multiple bivs, any of
16097 which require multiple insns to increment.
16099 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16101 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
16104 1999-12-06 David S. Miller <davem@redhat.com>
16106 * combine.c (check_promoted_subreg): Do not conditionalize this upon
16107 PROMOTE_FUNCTION_RETURN.
16109 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
16111 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
16112 and handle REG_UNUSED note on insn.
16114 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
16115 inner_mask instead of mask.
16117 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
16119 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
16120 zero if there was an error.
16122 1999-12-06 Jakub Jelinek <jakub@redhat.com>
16124 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
16127 * longlong.h: Fix clobbers in SPARC asm statements.
16129 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
16130 valid sethi operations when TARGET_ARCH64.
16132 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
16133 always use move_by_pieces to avoid infinite recursion.
16134 (restore_fixed_argument_area): Likewise.
16136 * combine.c (check_promoted_subreg, record_promoted_value): New
16138 (combine_instructions): Use them to retain nonzero and sign bit
16139 information after SUBREGs are eliminated by optimizations in
16140 this pass if PROMOTE_FUNCTION_RETURN.
16142 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
16143 .register declaration. Don't use variables with __ prefixes.
16145 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16147 * fold-const.c (optimize_bit_field_compare): Only use one mode
16148 for both RHS and LHS in non-constant case.
16150 1999-12-06 Nathan Sidwell <nathan@acm.org>
16152 * frame.c (start_fde_sort): Only allocate erratic array, if
16153 linear one was allocated. Return allocated flag.
16154 (fde_insert): Only insert, if there's a valid array.
16155 (fde_end_sort): Split, sort and merge if linear and erratic
16156 arrays exist, else just sort linear one.
16157 (search_fdes): New function. Linear search through original fde
16159 (frame_init): Permit multiple initializations. Cope with
16161 (find_fde): Fallback on linear search, if failed to sort array.
16162 (__deregister_frame_info): Only free sorted array, if we
16165 1999-12-06 Jakub Jelinek <jakub@redhat.com>
16167 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
16169 1999-12-05 Jakub Jelinek <jakub@redhat.com>
16171 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
16173 1999-12-05 Mark Mitchell <mark@codesourcery.com>
16175 * tree.h (special_function_p): Declare.
16176 * calls.c (special_function_p): Make it global. Don't take `name'
16177 as a parameter. Fix typo in 1999-11-28 change.
16178 (expand_cal): Adjust.
16180 1999-12-04 Mark Mitchell <mark@codesourcery.com>
16182 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
16183 * tree.h (EXPR_WFL_FILENAME): Define in terms of
16184 EXPR_WFL_FILENAME_NODE.
16185 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
16187 * print-tree.c (print_note): Print TREE_PRIVATE and
16190 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
16191 the original die cannot be found.
16193 * varray.h (varray_head_tag): Add elements_used.
16194 (VARRAY_PUSH): New macro.
16195 (VARRAY_POP): Likewise.
16196 (VARRAY_TOP): Likewise.
16197 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
16199 * varray.c (varray_init): Initialize elements_used.
16200 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
16201 (INTEGRATE_H): New variable.
16202 (integrate.o): Depend on INTEGRATE_H.
16203 (unroll.o): Likewise.
16205 * function.h (insert_block_after_note): Declare.
16206 * function.c (insert_block_after_note): Split out from ...
16207 (retrofit_block): ... here.
16209 * stmt.c (expand_fixup): Fix typo in comment.
16211 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16213 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
16214 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
16215 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
16216 (regmove_optimize, fixup_match_1): Likewise.
16218 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16220 * flow.c (flow_loops_dump): Add missing argument when calling
16221 flow_loop_nested_p.
16223 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
16224 Greg McGary <gkm@gnu.org>
16226 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
16227 (init_attributes): Add A_NO_LIMIT_STACK.
16228 (decl_attributes): Handle A_NO_LIMIT_STACK.
16229 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
16230 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
16231 Handle stack bounds checking.
16232 * flags.h (flag_stack_check): Use the word 'probe' rather than
16233 'check', because the flag doesn't actually cause any checking to
16235 * function.c (expand_function_start): Set
16236 current_function_limit_stack.
16237 * function.h (struct function): Add limit_stack.
16238 (current_function_limit_stack): Define.
16239 * invoke.texi (Code Gen Options): Document new options.
16240 * rtl.h: Declare stack_limit_rtx.
16241 * toplev.c (stack_limit_rtx): New variable.
16242 (decode_f_option): Handle new options -fstack-limit-register=REG,
16243 -fstack-limit-symbol=IDENT, -fno-stack-limit.
16244 (main): Add stack_limit_rtx as GC root.
16245 * tree.h (DECL_NO_LIMIT_STACK): New macro.
16246 (struct tree_decl): New member no_limit_stack.
16248 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
16250 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
16251 (conditional_trap+1): Get new mnemonic correct.
16252 (conditional_trap+2): New pattern for DImode traps.
16254 * config/m68k/m68k.c (output_function_prologue): Handle
16256 * config/m68k/m68k.md (trap): New insn.
16257 (conditional_trap): New insn.
16258 * md.texi (Standard Names): Document `trap' and
16259 `conditional_trap'.
16260 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
16261 so a cc0 setter doesn't get emitted at some random place in the
16264 * config/i960/i960.md (trap): New insn.
16265 (conditional_trap): New expander.
16266 (conditional_trap+1, conditional_trap+2): New insns for signed
16267 and unsigned cases.
16268 * config/i960/i960.c (i960_function_prologue): Use
16269 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
16271 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
16272 Geoffrey Keating <geoffk@cygnus.com>
16274 * flags.h (warn_padded, warn_packed): Add global var decls.
16275 * toplev.c (warn_padded, warn_packed): Add global var defns.
16276 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
16277 * stor-layout.c (layout_record): Add local variable `type'
16278 to hold often-used TREE_TYPE (field). Add local variable
16279 `unpacked_align' to hold alignment that would be in force
16280 if no `packed' attribute were present. Warn if `packed' attribute
16281 is unnecessary, or even harmful. Warn when gcc inserts padding
16282 to satisfy alignment requirements of members. Use NULL_TREE
16283 when checking whether var_size is set.
16284 * invoke.texi: Document new flags.
16286 1999-12-03 Nathan Sidwell <nathan@acm.org>
16288 * frame.c (fde_split): Reimplement to avoid variable sized array.
16290 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16292 * combine.c (try_combine): Before fixing up LOG_LINKS for the
16293 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
16295 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
16297 * invoke.texi: Document the mips option -mno-crt0
16299 1999-12-02 Mike Karr <mkarr@mathworks.com>
16301 * cccp.c (argdata): Added free_ptr member.
16302 (macroexpand): Initialize free_ptr of each argument. When an
16303 argument's buffers are freed, if the argument's free_ptr corresponds
16304 to a buffer on the input stack, then return the free_ptr to that stack
16305 frame, otherwise, free it.
16306 (macarg): If an argument begins and ends on the same input stack level,
16307 then transfer the free_ptr of that buffer to the argument in case
16308 the stack is popped during the processing of a subsequent argument.
16310 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
16312 * loop.c (note_reg_stored): New function.
16313 (struct note_reg_stored_arg): New structure.
16314 (try_copy_prop): Change to be more conservative; only replace within
16315 one extended basic block and stop replacing if a store to the
16316 replacement reg is seen.
16318 1999-12-02 Nick Clifton <nickc@cygnus.com>
16320 * config/fp-bit.c: Initialise all fields of the NAN
16323 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
16326 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16328 * i386.md (extend?f?f2): Force the input into a register, not
16331 1999-12-01 Jakub Jelinek <jakub@redhat.com>
16333 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
16335 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
16336 alternative because setting up 64bit constant is usually costly,
16337 especially when reload is in progress or completed.
16338 (movdf_const_intreg_sp64): Likewise.
16339 (movdf_const_intreg split): Fix building up constants when
16340 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
16342 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
16344 * combine.c (if_then_else_cond): Use const_true_rtx instead of
16345 const1_rtx for return values in EQ/NE comparison against (const_int 0)
16348 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
16349 (asm_file_start): Emit .am33 into assembly file when compiling for
16351 (print_operand_address): Handle POST_INC addresses.
16352 (can_use_return_insn, initial_offset): Check AM33 registers too.
16353 (expand_prologue): Check & save AM33 registers too.
16354 (expand_epilogue): Similarly.
16355 (secondary_reload_class): Handle AM33 specific secondary reloads.
16356 (output_tst): Emit efficient code for the AM33 too.
16357 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
16358 (TARGET_SWITCHES): Add -mam33 switch.
16359 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
16360 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
16361 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
16362 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
16363 (enum reg_class, REG_CLASS_NAMES): Likewise.
16364 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
16365 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
16366 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
16367 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
16368 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
16369 (HAVE_POST_INCREMENT): Define.
16370 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
16371 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
16372 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
16373 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
16374 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
16375 (zero_extend to SI from QI/HI): Likewise.
16376 (sign_extend to SI from QI/HI): Likewise.
16377 (mulsidi3, umulsidi3): New patterns for the AM33.
16378 (tstsi with zero extension from QI/HI): Add AM33 variants.
16379 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
16380 (return_internal_regs, store_movm): Handle new AM33 registers.
16381 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
16382 (LIBGCC, INSTALL_LIBGCC): Likewise.
16383 * invoke.texi: Document new flags.
16385 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
16387 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
16388 (addsi3_carry): Likewise.
16389 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
16390 (sbbsi3_carry): Likewise.
16391 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
16392 (mulhi3): Likewise.
16393 (test?i_1): Ensure that only one operand is memory.
16394 (conditional move patterns): likewise.
16395 (shift and rotate patterns): Rewrite to expander, add
16396 "binary_operator_ok" to the condition.
16398 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
16399 * i386.h (procesor_costs): Add movzbl_load field.
16400 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
16401 non-Q registers, accept DImode registers anywhere.
16403 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
16404 * i386.c (*_cost): Set value for movxbl_load field.
16406 * (addsi): New add to lea splitter.
16407 (ashlsi): Likewise.
16408 (lea to add/shift peep2): New.
16410 1999-12-01 Mark Salter <msalter@cygnus.com>
16412 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
16413 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
16414 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
16416 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16418 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
16419 * i386.md (movsi_xor): New.
16421 (movsi_1, movhi_1, movqi_1): Remove.
16422 (movsi_2): Rename to movsi_1.
16423 (movhi_2): Rename to movhi_1.
16424 (movqi_2): Rename to movqi_1.
16425 (movdi_1): Remove; remove splitter.
16426 (movdi_2): Rename to movdi_1.
16427 (divmodsi4 splitter): Do not emit clobbers for move patterns.
16428 (long move peep2): Do not create QI or HI mode mov0s
16429 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
16431 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
16434 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
16435 (abs?f2_if): Likewise.
16437 1999-11-30 Alex Samuel <samuel@codesourcery.com>
16439 * ggc.h (ggc_test_and_set_mark): New macro.
16440 (ggc_mark_rtx): Use ggc_test_and_set_mark.
16441 (ggc_mark_tree): Likewise.
16442 (ggc_mark_rtvec): Likewise.
16443 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
16445 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
16447 * dwarf2out.c (scope_die_for): Only handle types. Only search for
16449 (decl_scope_table): Just an array of trees now.
16450 (push_decl_scope): Simplify.
16451 (dwarf2out_init): Adjust.
16452 (local_scope_p): New fn.
16453 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
16454 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
16455 (gen_typedef_die): Likewise.
16456 (gen_lexical_block_die): Don't call push/pop_decl_scope.
16457 (gen_inlined_subroutine_die): Likewise.
16458 (gen_abstract_function): Set current_function_decl temporarily.
16459 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
16460 Handle block extern declarations. Don't call push/pop_decl_scope.
16461 (gen_decl_die): Fix logic for block externs.
16463 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16465 * calls.c (special_function_p): Remove `realloc' and add `strdup'
16466 to the list of functions which have attribute malloc by default.
16468 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16470 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
16471 integer constant does not match the traditional type, limit the
16472 warnings to cases where the base of the type is ten.
16474 * invoke.texi (-Wtraditional): Document it.
16476 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16478 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
16479 * rs6000.md: Only access a CONST_INT with INTVAL
16481 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
16483 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
16484 (compute_nearerout): Likewise.
16485 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
16486 size_t to unsigned long for formatting.
16488 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16490 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
16491 Allow the user to override call-used/fixed state of %g2-5
16492 registers from the command line (with the exception of %g4 for
16494 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
16495 there is a higher chance of having a leaf function.
16496 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
16497 for ARCH64 which has %ccr register.
16498 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
16500 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
16501 insn accept into delay slot any insn which does not use %[ol]
16502 registers. Accept some LO_SUM and shift left by 1 for the normal
16504 (output_function_epilogue): Likewise.
16505 (epilogue_renumber): Added argument which inhibits any renumbering
16506 and just tests if the rtx does not use any %[ol] registers.
16507 (output_return): Reflect above change.
16509 1999-11-30 Jakub Jelinek <jakub@redhat.com>
16511 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
16512 aggregate passing for sizes <= 16 bytes.
16514 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
16516 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
16517 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
16518 * reload.c (find_dummy_reload): Likewise.
16519 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
16520 * reload1.c (reload_as_needed): Likewise.
16521 * stupid.c (stupid_find_reg): Likewise.
16522 * tm.texi (Obsolete Register Macros): Delete section.
16523 * gmicro.h: Remove all traces of the two macros.
16524 * i386.h: Likewise.
16525 * m88k.h: Likewise.
16526 * mips.h: Likewise.
16528 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
16530 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
16531 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
16532 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
16533 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
16534 units for the sparclite86x chip.
16535 (flush): Revert October 14th change; add SImode specifically.
16536 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
16537 * invoke.texi: Document it.
16539 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
16541 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
16542 psimode_truncation_operand.
16544 * config/mn10200/mn10200.c (psimode_truncation_operand): New
16545 function. Return true if the operand is either a MEM valid
16546 for a PSImode address or not a MEM at all.
16548 * config/mn10200/mn10200.md (truncsipsi2): Use
16549 psimode_truncation_operand.
16551 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16553 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
16554 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
16555 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
16556 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
16557 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
16558 (flow_loop_level_compute, low_loops_level_compute): Likewise.
16559 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
16560 * basic-block.h: Protect from multiple inclusion.
16561 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
16562 (struct loops, struct loop): Define structures.
16563 * sbitmap.c (sbitmap_a_subset_b_p): New function.
16564 * sbitmap.h: Protect from multiple inclusion.
16565 (sbitmap_a_subset_b_p): Add prototype.
16566 * Makefile.in (LOOP_H): New macro.
16567 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
16569 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
16571 * cppinit.c (CAT): The argument list of this macro may not contain
16574 1999-11-29 David S. Miller <davem@redhat.com>
16576 Move quantity tables and register equivalence chains into
16577 per-qty and per-register structure arrays respectively.
16578 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
16579 qty_const_insn, qty_comparison_code, qty_comparison_const,
16580 qty_comparison_qty): Delete, replace with...
16581 (qty_table): this structure table.
16582 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
16583 (reg_eqv_table): this structure table.
16584 (make_new_qty): Add argument MODE. Caller updated.
16585 Update to use qty_table and reg_eqv_table.
16586 (make_regs_eqv, delete_reg_equiv, insert_regs,
16587 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
16588 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
16589 cse_process_notes, cse_main, cse_basic_block): Likewise.
16591 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16593 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
16594 operation if C is negative.
16595 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
16596 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
16597 law for some divisions if constant is negative and change other
16598 divisions to the opposite rounding.
16600 * expr.c (store_constructor_field): If bit position is not multiple
16601 of alignment of TARGET's mode, use BLKmode.
16603 * expr.c (expand_expr_unaligned): Add more code from full case
16604 that is needed when OP0 is in a register.
16606 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16608 * dwarfout.c (field_byte_offset): Size can be zero if there was
16611 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16613 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
16614 (associate_trees): Delete unused var TEM.
16615 (extract_muldiv): Delete unused var CANCEL_P.
16617 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
16618 (target_isinf, target_isnan, target_negative): Add return types to
16619 function definitions.
16621 1999-11-29 Bruce Korb <autogen@linuxbox.com>
16623 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
16624 * fixinc/hackshell.tpl: ditto
16625 * fixinc/fixtests.c(double_slash_test): more C++ header testing
16626 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
16628 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
16630 * reload.c (push_reload): When looking for a register to put into
16631 reg_rtx, make sure all hard regs in a multi-reg register are in the
16632 right class and nonfixed.
16634 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
16635 pending_read_insns, pending_write_insns, pending_read_mems,
16636 pending_write_mems, pending_list_length, last_pending_memory_flush,
16637 last_function_call, sched_before_next_call): Move static variables
16639 (bb_ prefixed versions): Replace with single array bb_deps.
16640 (struct deps): New structure.
16641 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
16642 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
16643 argument of type "struct deps *"; use that instead of global
16644 variables. All callers changed.
16645 (init_rgn_data_dependencies): Delete function.
16646 (init_rtx_vector): Delete function.
16647 (init_deps): New function.
16649 (free_pending_lists): Simplify, we always use the bb_deps array even
16650 if only one basic block.
16651 (compute_block_backward_dependences): Likewise.
16652 (schedule_region): Likewise.
16654 (propagate_deps): New function, broken out of
16655 compute_block_backward_dependences.
16656 (compute_block_backward_dependences): Use it.
16658 * alpha.md: Delete useless patterns that tried to work around
16659 register elimination problems.
16661 * unroll.c (loop_iterations): Don't abort if iteration variable
16664 From Joern Rennecke:
16665 * reload1.c (reloads_conflict): Reverse test comparing operand
16666 numbers when testing for conflict between output/outaddr reloads.
16668 1999-11-29 David S. Miller <davem@redhat.com>
16670 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
16672 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
16674 1999-11-28 Robert Lipe <robertl@cygnus.com>
16676 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
16677 table from .fini into .dtor.
16679 1999-11-28 Anthony Green <green@cygnus.com>
16681 * tree.h (struct tree_decl): Add malloc_flag.
16682 (DECL_IS_MALLOC): Define.
16683 * c-common.c (attrs): Add A_MALLOC attribute.
16684 (init_attributes): Add this attribute to the table.
16685 (decl_attributes): Handle malloc attribute.
16686 * calls.c (special_function_p): Check for the malloc attribute.
16687 * extend.texi (Function Attributes): Document malloc attribute.
16689 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
16691 * pa.md (reload shift-add patterns): Remove.
16693 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16695 * reorg.c (dbr_schedule) Print more statistics. Corrected
16696 problem when printing info when 3 delay slots are filled.
16698 1999-11-28 Jakub Jelinek <jakub@redhat.com>
16700 * combine.c (setup_incoming_promotions): Pass an outgoing
16701 regno to FUNCTION_ARG_REGNO_P which it expects.
16703 1999-11-28 Andreas Jaeger <aj@suse.de>
16705 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
16707 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
16709 * cccp.c (do_include): Avoid initialization of automatic variable.
16711 * integrate.c (mark_stores): Function definition made void, to match
16712 previous declaration.
16713 * regclass.c (dump_regclass): Ditto.
16714 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
16716 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16718 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
16719 known to be multiple of divisor.
16721 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
16723 * combine.c (try_combine): Add code to try to merge a set of a
16724 two-word pseudo to a constant with a setting of one of those words
16727 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
16728 (split_tree): Completely rework to make more general.
16729 (make_range, fold): Call negate_expr.
16730 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
16731 (fold, associate): Call new split_tree and associate_trees.
16732 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
16734 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
16736 * loop.c (try_copy_prop): Avoid GNU C extension.
16738 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16740 * except.c (init_eh_for_function): Still zero eh_return_context,
16741 eh_return_stack_adjust, and eh_return_handler.
16743 * except.h (eh_status): Adjust documentation for x_protect_list.
16744 (begin_protect_partials): New function.
16745 * except.c (enqueue_eh_entry): Fix formatting.
16746 (get_first_handler): Add consistency check.
16747 (add_partial_entry): Adjust usage of protect_list.
16748 (emit_cleanup_handler): Save and restore ehqueue.
16749 (expand_start_all_catch): Add comment.
16750 (begin_protect_partials): New function.
16751 (end_protect_partials): Adjust usage of protect_list.
16752 (init_eh_for_function): Use xcalloc.
16754 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16756 * c-common.c (check_format_info): Don't call a variadic function
16757 with a non-literal format string.
16759 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
16761 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
16762 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
16765 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
16768 * collect2.c (collect_wait): Likewise.
16770 * dbxout.c (dbxout_type): Likewise.
16772 * gcc.c (do_spec_1): Likewise.
16774 * genemit.c (gen_insn, gen_expand): Likewise.
16776 * genrecog.c (write_switch, write_subroutine): Likewise.
16778 * mips-tfile.c (catch_signal, botch): Likewise.
16780 * print-rtl.c (print_rtx): Likewise.
16782 * toplev.c (default_print_error_function, report_error_function,
16783 _fatal_insn): Likewise.
16785 1999-11-25 Mark Mitchell <mark@codesourcery.com>
16787 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
16789 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16791 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
16792 operations when needed.
16793 * i386.md (fop_?f_comm): New.
16794 (fop_?f_1): Do not accept commutative operands.
16796 1999-11-25 Andreas Jaeger <aj@suse.de>
16798 * config/mips/mips.md (casesi_internal): Add missing brace.
16800 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
16802 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
16803 (splice_child_die): Handle moving a child DIE from the declaration
16804 DIE of a class to its specification.
16805 (gen_struct_or_union_type_die): Use 'complete' consistently.
16806 (gen_decl_die): Generate the virtual context DIE first.
16807 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
16809 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
16811 * config/mips/mips.md (call_value_multiple_interanal1): New.
16813 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
16815 * dwarf2out.c (free_AT, free_die): New fns.
16816 (remove_children): Call them.
16817 (output_line_info): Disable removal of duplicate notes.
16819 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
16820 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
16821 means pretend the type isn't defined.
16822 Don't defer emitting types.
16823 (gen_type_die_for_member): New fn.
16824 (gen_decl_die): Call it.
16825 (splice_child_die): New fn.
16826 (gen_member_die): Call it rather than generate duplicate dies.
16828 Defer emitting information for the abstract instance of an inline
16829 until we either inline it or emit an out-of-line copy.
16830 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
16831 from output_inline_function if DECL_ABSTRACT is also set.
16832 (block_ultimate_origin): Likewise.
16833 (gen_abstract_function): New fn.
16834 (gen_decl_die, gen_inlined_subroutine_die): Call it.
16835 (gen_subprogram_die): An abstract instance is not a declaration
16836 just because it doesn't match current_function_decl. Don't abort
16837 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
16838 has an abstract origin.
16839 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
16840 abstract instance here.
16842 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
16844 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
16845 where we need to reload fpul from a system register.
16847 1999-11-24 Andreas Jaeger <aj@suse.de>
16849 * config/mips/linux.h (CPP_PREDEFINES): Added.
16850 (LINK_SPEC): Remove -Y since this is only needed on sparc.
16852 1999-11-24 Andreas Jaeger <aj@suse.de>
16854 * config/mips/linux.h (TARGET_VERSION): Added.
16855 (HANDLE_SYSV_PRAGMA): Added.
16856 (DEFAULT_VTABLE_THUNKS): Added.
16858 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
16860 * local-alloc.c (qty): New structure and static variable.
16861 (qty_phys_reg): Remove, all references changed to qty.
16862 (qty_n_refs): Likewise.
16863 (qty_min_class): Likewise.
16864 (qty_birth): Likewise.
16865 (qty_death): Likewise.
16866 (qty_size): Likewise.
16867 (qty_mode): Likewise.
16868 (qty_n_calls_crossed): Likewise.
16869 (qty_alternate_class): Likewise.
16870 (qty_changes_size): Likewise.
16871 (qty_first_reg): Likewise.
16872 (alloc_qty): Rename variable QTY to QTYNO.
16873 (finf_free_reg): Likewise.
16874 (local_alloc): Allocate qty, do not allocate the removed variables.
16876 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
16878 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
16879 when -membedded-pic is passed.
16881 * config/mips/mips.md (casesi): Handle 64-bit case too.
16882 (casesi_internal_di): New insn.
16884 * config/mips/mips.c (embedded_pic_offset): Always make the
16885 embedded-pic subtractions relative to the name of the current
16886 function by use of the magic string "..CURRENT_FUNCTION".
16887 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
16889 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
16891 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
16892 of (const_int 0), when what we really care about is
16893 whether it's a zero constant anyway.
16894 (div_trap_mips16): Likewise.
16896 1999-11-23 Mark Mitchell <mark@codesourcery.com>
16898 * loop.c (loop_optimize): Always find_loop_tree_blocks and
16899 unroll_block_trees when generating debuggable code.
16901 * tree.h (unsave_expr_1): New function.
16902 (lang_unsave): New variable.
16903 (get_callee_fndecl): New function.
16904 * tree.c (unsave_expr_now_r): New function.
16905 (lang_unsave): Define.
16906 (unsave_expr_1): Likewise.
16907 (unsave_expr_now_r): Split out from unsave_expr_now.
16908 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
16909 call unsave_expr_now_r.
16910 (get_callee_fndecl): Define.
16912 * Makefile.in (gencheck): Don't depend on lang_tree_files.
16913 (gencheck.o): Do depend on lang_tree_files.
16915 * integrate.h (copy_decl_for_inlining): New declaration.
16916 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
16917 (copy_decl_for_inlining): New function.
16918 (integrate_parm_decls): Use it.
16919 (integrate_decl_tree): Likewise.
16921 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
16923 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
16924 the second two from the first.
16925 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
16926 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
16927 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16929 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
16930 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
16933 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
16935 * pa.md (call_internal_symref, call_value_internal_symref): No mode
16936 needed on the address operand.
16937 * pa.c (call_operand_address): Check for the correct mode.
16939 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
16941 * loop.c: Include "basic-block.h".
16942 (try_copy_prop, replace_loop_reg): New functions.
16943 (load_mems): Detect registers that just hold copies of the hoisted
16944 mem, and call try_copy_prop to eliminate them.
16945 * Makefile.in (loop.o): Update dependencies.
16947 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
16949 * Makefile.in (gencheck.o): Depend on gencheck.h.
16950 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
16951 (insn-peep.o): Depend on except.h and function.h.
16952 (insn-attrtab.o): Depend on RECOG_H.
16953 (insn-output.o): Depend on toplev.h and flags.h.
16954 (gengenrtl.o): Depend on real.h.
16955 (gen-protos.o): Depend on cpplib.h and cpphash.h.
16956 Unify all dependencies to be on RECOG_H rather than recog.h.
16958 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16960 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
16961 * configure.in: Try building a bi-arch 32/64-bit compiler on
16962 sparc-*-solaris2.7 and higher.
16963 * configure: Rebuild.
16965 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
16967 * config/freebsd.h: New, FreeBSD architecture independent file.
16968 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
16969 independent pieces.
16970 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
16971 directly by i386/freebsd.h.
16972 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
16973 independent configuration file.
16974 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
16975 directly by i386/freebsd.h.
16976 * configure: Rebuilt.
16978 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
16979 which is in the user's namespace.
16980 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
16981 `i386' which is not in our namespace.
16983 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
16985 * invoke.texi (ARM Options): Add in -mno-alignment-traps
16987 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
16989 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
16990 (add_dwarf_attr, add_child_die): Just push onto the front.
16991 (reverse_die_lists): New fn.
16992 (add_sibling_attributes): Use it.
16993 (push_decl_scope): Reorganize.
16994 (add_name_and_src_coords_attributes): Don't set file and line for
16995 an artificial decl.
16996 (gen_subprogram_die): An artificial function doesn't need to match
16998 (gen_compile_unit_die): Return the generated die. Only add
16999 AT_comp_dir if the filename is relative.
17000 (remove_AT): Simplify loop. Also free string values.
17001 (output_die): A DIE ref can't be null.
17002 (output_value_format, value_format): Take a dw_attr_ref.
17003 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
17004 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
17005 AT_addr, AT_lbl): New fns.
17006 (various): Use them.
17007 (various): Constify.
17009 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17011 * combine.c (combine_simplify_rtx): When handling a SUBREG,
17012 take SUBREG_WORD into account.
17013 (if_then_else_cond): Likewise.
17015 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
17017 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
17018 clause from BSD license, pursuant with
17020 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
17022 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
17024 * loop.c (load_mems): Reformat slightly.
17025 * basic-block.h (regset_head): New typedef.
17026 (INIT_REG_SET): New macro.
17028 1999-11-22 Bruce Korb <autogen@linuxbox.com
17030 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
17031 (mips-dec-bsd*): non-functional code
17032 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
17034 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
17035 added three replacement fixes
17036 (no_double_slash): removed comments that are not (any longer) pertinent
17037 (bad_lval): this fix currently runs against many files.
17038 The comment seems to indicate that we should select for files
17039 containing 'pragma extern_prefix'.
17041 * fixinc/fixinc.x86-linux-gnu: deleted
17042 * fixinc/inclhack.sh: regen
17043 * fixinc/fixincl.x: regen
17044 * fixinc/fixincl.sh: regen
17046 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
17048 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
17049 its code is INSN and it has no notes.
17051 1999-11-22 Andrew Haley <aph@cygnus.com>
17053 * varasm.c (function_defined): Remove.
17054 (make_function_rtl): Don't set function_defined.
17055 (make_decl_rtl): Remove global register warning.
17056 * regclass.c (no_global_reg_vars): New variable.
17057 (globalize_reg): Warn if function has already been defined.
17058 (regclass_init): Set no_global_reg_vars.
17060 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
17062 * regclass.c (reg_pref): New structure and static variable
17063 (prefclass): Delete.
17064 (altclass): Delete.
17065 (all uses of prefclass and altclass): Use reg_pref instead.
17067 1999-11-21 Nick Clifton <nickc@cygnus.com>
17069 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
17071 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
17072 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
17073 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
17075 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
17077 * varasm.c (output_constructor): Solve problem with long long
17078 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
17080 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17082 * global.c (allocno): New structure and static variable.
17083 (allocno_reg): Remove, all references replaced by allocno.
17084 (allocno_size): Likewise.
17085 (hard_reg_conflicts): Likewise.
17086 (hard_reg_preferences): Likewise.
17087 (hard_reg_copy_preferences): Likewise.
17088 (hard_reg_full_preferences): Likewise.
17089 (regs_someone_prefers): Likewise.
17090 (allocno_calls_crossed): Likewise.
17091 (allocno_n_refs): Likewise.
17092 (allocno_live_length): Likewise.
17093 (find_reg): Rename ALLOCNO to NUM.
17095 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
17096 references updated.
17097 (may_move_out_cost): New variable.
17098 (init_reg_sets_1): Initialize may_move_out_cost.
17099 (record_reg_classes): Use may_move_out_cost.
17101 * regclass.c (dump_regclass): New function.
17102 (regclass): New parameter DUMP, call DUMP_REGCLASS.
17103 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
17104 pass rtl_dump_file to regclass.
17105 * rtl.h (regclass): Update prototype.
17107 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17109 * i386.md (neg, not and abs patterns): Revmap to use
17110 ix86_expand_unary_operator and ix86_unary_operator_ok.
17111 (add?f and sub?f expanders): Force operand 1 to register.
17112 * i386.c (ix86_expand_unary_operator): Rewrite.
17113 (ix86_unary_operator_ok): Ensure that memory operands
17115 (ix86_binary_operator_ok): Do not allow operand 1 to
17116 come into memory and operand 0 not.
17117 (ix86_expand_binary_operator): Ensure that
17118 src1 is not non-matching memory.
17120 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
17121 to support integer registers and memory.
17122 (abss?2_integer): Likewise.
17124 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
17125 (REG_CLASS_NAMES): Likewise.
17126 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
17128 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
17129 (movsf): Likewise; unify 4th and 5th alternative.
17130 (pushdf): Likewise.
17131 (movdf_1): Likewise; rename to movdf_integer.
17132 (pushxf): Likewise; rename to pushxf_integer; fix output template;
17133 remove redundant splitter.
17134 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
17135 (movdf_nointeger): New.
17136 (movxf_nointeger): New.
17137 (pushxf_nointeger): New.
17139 * i386.md (extend?f?f): Split to expander and pattern, refuse two
17140 memory operands in patterns.
17141 (fop*): Refuse two memory operands.
17143 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
17144 on !TARGET_USE_CLTD CPUs.
17146 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
17148 * extend.texi: Document C++ restricted pointers and references.
17150 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
17152 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
17153 (invalidate_skipped_set): Call it unconditionally.
17154 (cse_set_around_loop): Likewise.
17156 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17158 * rtl.texi (mem): Add documentation for alias-set argument
17161 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17163 * i386.h (struct_processor_costs): New fields int_load, int_store,
17164 fp_move, fp_load and fp_store
17165 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
17167 (MEMORY_MOVE_COST): New macro.
17168 * i386.c (386_cost): Define new fields.
17169 (i486_cost): Likewise.
17170 (pentium_cost): Likewise.
17171 (pentiumpro_cost): Likewise.
17172 (k6_cost): Likewise.
17174 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
17175 Geoffrey Keating <geoffk@cygnus.com>
17177 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
17179 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
17182 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
17183 (TARGET_STRICT_ALIGNMENT): New macro.
17184 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
17185 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
17186 * invoke.texi (M680x0 Options): Document -mstrict-align.
17188 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
17189 Richard Henderson <rth@cygnus.com>
17191 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
17192 (ix86_split_long_move): Declare.
17193 * i386.c (split_xf, ix86_split_movdi): Remove.
17194 (ix86_split_to_parts, ix86_split_long_move): New.
17195 * i386.md (dimode move splitters): Use ix86_split_long_move.
17196 (dfmode move splitters): Likewise.
17197 (xfmode move splitters): Likewise.
17198 (movsf_1): Allow F->r.
17199 (movdf_1, movxf_1): Allow F->ro.
17201 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17203 * except.h (struct eh_entry): Add goto_entry_p.
17204 (eh_region_from_symbol): Remove prototype.
17205 * except.c (find_func_region_from_symbol): New function.
17206 (emit_cleanup_handler): Likewise.
17207 (eh_region_from_symbol): Make it static.
17208 (add_new_handler): Verify the argument.
17209 (find_func_region): Update comment.
17210 (expand_eh_region_end): Expand handlers here, rater than waiting
17211 until expand_leftover_cleanups or start_all_catch.
17212 (expand_leftover_cleanups): Don't expand here.
17213 (expand_start_all_catch): Or here.
17214 (expand_rethrow): Check the return value from find_func_region.
17215 * function.c (expand_function_end): Emit the catch_clauses.
17217 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
17219 * integrate.c (expand_inline_function): Add necessary check for NULL.
17221 1999-11-18 Nick Clifton <nickc@cygnus.com>
17223 * toplev.c (main): Correctly detect an unrecognised option.
17225 * cppinit.c (cpp_handle_option): Do not claim to have consumed
17226 a -f option if it has not been recognised.
17228 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
17230 * basic-block.h (update_life_extent): Remove trailing comma on
17231 enumeration type list.
17233 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17235 * varasm.c (output_constructor) Solved problem with long long
17236 bitfields. Corrected calculating this_time and shift. Also
17237 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
17239 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
17241 * flow.c (split_edge): Take looping structure into account when
17242 determining where to put the new block note.
17244 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
17246 * Makefile.in (ggc-none.o): Provide host specific version if
17249 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
17251 * cse.c (delete_trivially_dead_insns): Identify no-op insns
17252 containing subregs too.
17254 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
17256 * invoke.texi: Add documentation for -muninit-const-in-rodata.
17257 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
17258 (TARGET_UNINIT_CONST_IN_RODATA): Define.
17259 (text_section): Add switches -munint-const-in-rodata and
17260 -mno-uninit-const-in-rodata.
17261 (ASM_OUTPUT_COMMON): Remove.
17262 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
17263 const objects should be placed in read-only data. Otherwise declare
17266 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
17268 * jump.c (jump_optimize_1): Revert last change.
17270 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
17272 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
17273 test if optimizing for size.
17275 1999-11-17 Mark Mitchell <mark@codesourcery.com>
17277 * Makefile.in (toplev.o): Depend on except.h.
17278 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
17280 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
17282 * i386.md (divmodsi4): Rewrite to expander.
17283 (*divmodsi4_nocltd): New.
17284 (*divmodsi4_cltd): New.
17285 (divmodsi4 splitter): Handle the case when input comes in edx.
17286 (udivmodhi4): Do not use constraints in exander.
17287 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
17289 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
17291 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
17292 for the common case.
17294 1999-11-16 Jakub Jelinek <jakub@redhat.com>
17296 * explow.c (hard_function_value): Add outgoing argument.
17297 * expr.h (hard_function_value): Declare it.
17298 * calls.c (expand_call, emit_library_call_value): Update callers.
17299 * function.c (aggregate_value_p): Ditto.
17300 (diddle_return_value): Must look at the outgoing registers
17301 on archs with register windows.
17303 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
17305 * alpha.c (alpha_build_va_list): Use make_lang_type and
17306 initialize TYPE_NAME for the va_list record.
17308 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
17310 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
17312 * ggc.h (struct ggc_statistics): Rearrange elements for better
17313 packing on 64-bit hosts.
17314 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
17315 (compute_nearerout): Likewise.
17317 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
17319 * config/rs6000/rs6000.c (first_reg_to_save): Save
17320 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
17322 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
17324 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
17325 notion of nesting to find the DIE for a type or function.
17326 DIEs can go in limbo even if we got a context_die.
17327 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
17328 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
17330 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
17331 (gen_type_die): Writing out the context doesn't cause member class
17332 template instantiations to be written out as well.
17334 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
17336 * rs6000.h (ASM_OUTPUT_DEF): New.
17337 Based on proposed addition from David Edelsohn.
17339 1999-11-15 Robert Lipe <RobertLipe@usa.net>
17340 Bruce Korb <autogen@linuxbox.com>
17342 * fixinc/inclhack.def
17343 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
17344 (unixware7_byteorder_fix): added. Removes conflicts for new defs
17346 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
17347 (svr4_endian): enabled with SVR5
17348 (svr4_mkdev): simplified syntax and enabled with SVR5
17350 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
17352 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
17353 * configure: Rebuilt.
17354 * config/t-freebsd-thread: New file.
17356 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
17358 * i386.c (ix86_decompose_address): Verify the base is a REG
17359 before trying to examine its register number.
17361 * basic-block.h: Remove all #defines and prototypes related to
17363 (free_bb_mem, compute_preds_succs): Remove prototype.
17364 * rtl.h (free_bb_mem): Remove prototype.
17365 * flow.c (alloc_int_list_node); Remove function.
17366 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
17367 (compute_preds_succs, free_bb_mem): Likewise.
17368 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
17369 * toplev.c (rest_of_compilation): Likewise.
17370 * haifa-sched.c (build_control_flow): Use flow generated edge
17371 list to build the haifa specific edge list.
17372 (find_rgns): Use new CFG data structures instead of pred/succ lists.
17373 (schedule_insns): Do not build pred/succ lists anymore. Instead
17374 build the edge table.
17376 * basic-block.h (dump_bb_data): Remove declaration.
17377 * flow.c (dump_bb_data): Remove function.
17378 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
17379 (sbitmap_union_of_predsucc): Likewise.
17381 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
17382 argument. All callers changed.
17383 (delete_null_pointer_checks_1): No longer need to compute the
17386 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
17387 All callers changed.
17388 (pre_expr_reaches_here_p_work): Likewise.
17389 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
17390 * lcm.c (compute_laterin): Fix initialization of LATER.
17391 (compute_nearerout): Similarly for NEARER.
17393 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17395 * cse.c (set_nonvarying_address_components): Delete unused function.
17396 (refers_to_p): Likewise.
17398 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
17400 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
17403 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17405 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
17406 definition in do while (0).
17408 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
17410 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
17412 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
17414 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
17416 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17418 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
17419 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
17420 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
17421 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
17423 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
17424 saved on the stack. Output more accurate stack frame statistics
17425 into assembler file.
17427 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
17429 * genextract.c (record_insn_name): New function.
17430 (get_insn_name): No longer a stub.
17431 (main): Call record_insn_name for each insn. After each label
17432 written, print the insn name in a comment.
17434 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17436 * output.h (const_section, init_section, fini_section): Add
17439 * alpha/elf.h (const_section): Delete declaration.
17441 * svr4.h (const_section): Likewise.
17443 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
17445 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
17446 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
17447 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
17449 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
17450 variable-sized array bounds.
17452 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
17454 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
17457 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17459 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
17460 addresses the same way GO_IF_LEGITIMATE_INDEX does.
17462 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17464 * cse.c (hash_arg_in_struct): Delete.
17465 (struct table_elt): Delete elt in_struct.
17466 (struct set): Delete elt src_in_struct.
17467 (merge_equiv_classes): Don't set either hash_arg_in_struct or
17468 the corresponding in_struct elts.
17469 (canon_hash): Likewise.
17470 (safe_hash): Likewise.
17471 (find_best_addr): Likewise.
17472 (record_jump_cond): Likewise.
17473 (cse_insn): Likewise.
17475 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
17477 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
17479 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
17482 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
17484 * function.c (diddle_return_value): Put back check that the DECL_RTL
17485 for the function is a register.
17487 * function.c (diddle_return_value): Use hard_function_value to
17488 get an rtx suitable for use in the USE/CLOBBER insn.
17490 * global.c (global_conflicts): Update comments.
17491 (record_conflicts): No need to record conflicts between pseudos here.
17493 1999-11-11 Bruce Korb <autogen@linuxbox.com>
17495 * fixinc/fixincl.c: Added verbose levels for status messages
17497 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17499 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
17500 operand as argument to expand_and or expand_binop.
17502 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
17504 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
17505 gcc_add_string_root.
17507 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
17509 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
17511 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
17513 * flow.c (compute_flow_dominators): Initially put all blocks on
17515 * lcm.c (compute_antinout_edge, compute_available): Similarly.
17516 * gcse.c (compute_cprop_avinout): Remove.
17517 (compute_cprop_data): Use compute_available.
17518 (delete_null_pointer_checks_1): Use compute_available.
17520 * basic-block.h (compute_available): Returns a void now.
17521 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
17522 to return a value anymore.
17523 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
17524 worklists. Fix boundary cases. Compute maximal solutions.
17525 (compute_laterin, compute_nearerout): Similarly.
17527 * dwarf2out.c (add_AT_location_description): Allow
17528 (mem (plus (pseudo) (...)) too.
17530 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
17532 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
17534 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
17535 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17537 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
17539 * gansidecl.h: Likewise.
17545 * toplev.h: Likewise.
17547 * tree.c: Likewise.
17549 * tree.h: Likewise.
17551 * varray.c: Likewise.
17553 * varray.h: Likewise.
17555 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
17557 * gcov.c (struct arcdata): Add hits and total, remove prob.
17558 (output_branch_counts): New.
17559 (process_args): Set output_branch_counts if -c.
17560 (calculate_branch_probs): Store hits and total instead of
17562 (output_data): Emit counts if output_branch_counts is true.
17563 * gcov.texi (Invoking Gcov): Document -c switch..
17565 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
17567 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
17568 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
17570 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
17572 * invoke.texi (C Dialect Options): Add missing builtins from
17573 c-common.c to list.
17574 * extend.texi (Other Builtins): Copy to this list.
17576 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17578 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
17579 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
17580 redundant bitmap.h.
17582 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
17584 * flow.c (compute_flow_dominators): No longer treat basic block 0
17585 or (n_basic_blocks - 1) specially. Clear the AUX field before
17586 starting computation of doms/pdoms. Fix initial state for pdoms.
17588 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17590 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
17591 match rtl.o's: added ggc.h and toplev.h
17592 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
17593 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
17594 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
17596 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
17598 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
17599 from HAVE_DOS_BASED_FILESYSTEM.
17600 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
17601 HAVE_DOS_BASED_FILESYSTEM.
17603 (split_directories): Only special-case DOS file names if
17604 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
17605 instead of explicit tests. Conditionalize on !VMS.
17606 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
17607 tests. Conditionalize on !VMS.
17608 (process_command): Only use make_relative_prefix if !VMS.
17609 (free_split_directories): Conditionalize on !VMS.
17610 (DIR_UP): Conditionalize on !VMS.
17612 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
17614 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
17616 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
17618 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
17621 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
17623 * invoke.texi (Environment Variables): Document relative path
17625 * gcc.c (DIR_UP): If not defined, define as "..".
17626 (standard_bindir_prefix): New static, holds target location to
17628 (split_directories): New function to split a filename into
17629 component directories.
17630 (free_split_directories): New function, release memory allocated
17631 by split_directories.
17632 (make_relative_prefix): New function, make a relative pathname if
17633 the compiler is not in the expected location.
17634 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
17635 can figure out an appropriate prefix from argv[0].
17636 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
17637 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
17638 STANDARD_BINDIR_PREFIX.
17640 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17642 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
17644 * config/c4x/c4x.h: Moved prototypes to c4x.h.
17645 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
17646 c4x_secondary_memory_needed) Delete.
17647 (fp_zero_operand): Add mode argument.
17649 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
17651 * reload1.c (reload_reg_free_for_value_p): Don't use a register
17652 that is in reload_reg_used.
17654 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
17656 * config/arm/arm-protos.h: New file: Prototypes for functions
17657 defined in arm.c and pe.c.
17658 * config/arm/arm.h: Fix compile time warnings.
17659 * config/arm/arm.c: Fix compile time warnings.
17660 * config/arm/pe.h: Fix compile time warnings.
17661 * config/arm/aout.h: Fix compile time warnings.
17663 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
17665 * config/m32r/m32r-protos.h: New file: Prototypes for functions
17668 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
17669 Add support for subtargets.
17670 Add prototypes for new predicates.
17671 Add scheduling macros.
17673 * config/m32r/m32r.c: Fix compile time warnings.
17674 (int8_operand): New predicate function.
17675 (reg_or_cmp_int16_operand): New predicate function.
17676 (extend_operand): New predicate function.
17677 (m32r_adjust_code): New scheduling function.
17678 (m32r_adjust_priorty): New scheduling function.
17679 (m32r_sched_init): New scheduling function.
17680 (m32r_sched_reorder): New scheduling function.
17681 (m32r_sched_variable_issue): New scheduling function.
17682 (direct_return): New codegen function.
17683 (m32r_not_same_reg): New rtl testsing function.
17685 * config/m32r/m32r.md: Fix compile time warnings.
17686 Add support for pre decrement and post increment memory
17688 Add S<cc> patterns.
17691 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17693 * global.c (EXECUTE_IF_CONFLICT): Don't define.
17694 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
17695 (find_reg): Likewise.
17697 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
17699 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
17700 to avoid assembler errors.
17702 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
17704 * config/v850/v850-protos.h: New file: Prototypes for functions
17706 * config/v850/v850.h: Move prototypes to v850-protos.h
17707 * config/v850/v850.c: Move prototypes to v850-protos.h
17708 * config/v850/v850.md: Fix compile time warnings.
17710 * config/fr30/fr30-protos.h: New file: Prototypes for functions
17712 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
17713 * config/fr30/fr30.c: Fix compile time warnings.
17714 * config/fr30/fr30.md: Fix compile time warnings.
17716 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
17718 * tree.h (get_containing_scope): Declare it.
17719 * tree.c (get_containing_scope): New fucntion.
17720 (decl_function_context): Use it.
17721 * toplev.c (rest_of_compilation): Use get_containing_scope.
17723 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17725 * Makefile.in (rtl.o): Depend on toplev.h.
17727 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
17729 * cse.c (delete_trivially_dead_insns): Replace alloca with
17731 * except.c (update_rethrow_references): Likewise.
17732 (init_eh_nesting_info): Likewise.
17733 * function.c (identify_blocks): Likewise.
17734 * gcse.c (dump_hash_table): Likewise.
17735 * graph.c (print_rtl_graph_with_bb): Likewise.
17736 * loop.c (combine_movables): Likewise.
17737 (move_movables): Likewise.
17738 (count_loop_regs_set): Likewise.
17739 (strength_reduce): Likewise.
17740 * profile.c (compute_branch_probabilities): New function, split
17742 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
17743 * regclass.c (regclass): Likewise.
17744 * regmove.c (regmove_optimize): Likewise.
17745 * toplev.c (compile_file): Likewise.
17746 (main): Don't mess with the stack rlimit.
17748 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
17750 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
17751 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
17753 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
17755 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
17757 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
17759 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
17760 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
17763 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
17765 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
17767 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
17769 * gcse.c (post_dominators): Kill.
17770 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
17771 (compute_code_hoist_data): Use compute_flow_dominators. Do not
17772 pass in a pdom array since we do not need pdoms.
17773 * haifa-sched.c (schedule_insns): Similarly.
17774 * flow.c (compute_dominators): Remove dead function.
17775 (compute_flow_dominators): Do not compute doms or pdoms if the
17776 caller does not request them. Split up loop to build doms and
17777 pdoms. Use a worklist to compute doms and pdoms.
17778 * basic-block.h (compute_dominators): Remove prototype.
17780 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
17782 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
17783 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
17784 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
17785 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
17786 (cant_move, fed_by_spec_load, is_load_insn): Remove.
17787 (schedule_region): Remove unused variable.
17788 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
17790 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
17792 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
17793 (update_equiv_regs): Likewise.
17794 (block_alloc): Likewise.
17795 * reg-stack.c (reg_to_stack): Likewise.
17796 (convert_regs_2): Likewise.
17797 * reload1.c (reload_as_needed): Likewise.
17799 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
17801 * Makefile.in (dbxout.o): Depend on ggc.h.
17802 (dwarf2out.o): Likewise.
17803 (xcoffout.o): Likewise.
17804 * dbxout.c: Include ggc.h.
17805 (dbxout_init): Register lastfile as a root.
17806 * dwarf2out.c: Include ggc.h.
17807 (dwarf2out_line): Register lastfile as a root.
17808 * xcoffout.c: Include ggc.h.
17809 (xcoffout_source_line): Register xcoff_lastfile as a root.
17811 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
17813 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
17815 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
17817 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
17819 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
17821 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17823 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
17824 (EXECUTE_IF_CONFLICT): Likewise.
17825 (ALLOCNO_LIVE_P): Avoid signed division.
17826 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
17827 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
17828 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
17830 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
17832 * haifa-sched.c (schedule_block): Don't crash if there's no
17833 next insn for an interblock movement.
17834 (add_branch_dependences): Don't allow clobber insns to move either.
17836 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
17838 * i386.c (split_xf): New.
17839 * i386-protos.h: Declare it.
17840 * i386.md (movxf_1): Add general regs alternatives.
17841 (movxf_1+1): New splitter for same.
17843 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
17845 * function.c (purge_addressof_1): Add missing return values.
17847 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
17849 * function.c (is_addressof): New function. Returns true if
17850 the given piece of RTL is an ADDRESSOF.
17851 (purge_addressof_1): Make boolean. Return false if the
17852 ADDRESSOFs could not be purged.
17853 (purge_addressof): If ADDRESSOFs could not be purged from the
17854 notes attached to an insn, remove the offending note(s),
17855 unless they are attached to a libcall.
17857 1999-11-05 Andreas Jaeger <aj@suse.de>
17859 * genoutput.c (null_operand =): Initialize all fields.
17861 * errors.h: Add extern to prototypes.
17863 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
17865 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
17866 * configure: Rebuilt.
17868 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17870 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
17871 (mirror_conflicts): New function.
17872 (global_alloc): Call it.
17873 (expand_preferences): Remove redundant CONFLICTP test.
17874 (find_reg, dump_conflicts): Likewise.
17875 (prune_preferences): Process conflicts one word at a time.
17877 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
17879 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
17880 instead of an explicit loop.
17882 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
17884 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
17885 if REG_RETVAL check succeeds, then put classp in src_elt.
17887 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
17889 * function.c (pad_to_arg_alignment): Only update argument_pad
17890 if the argument's alignment is greater than STACK_BOUNDARY.
17892 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
17894 * bitmap.h (BITMAP_XFREE): New.
17895 * flow.c (life_analysis): Use it.
17896 (life_analysis_1): Free blocks.
17898 * combine.c (undo_commit): New.
17899 (try_combine): Use it. Don't zap undobuf.undos.
17900 (combine_instructions): Don't zap undobuf.undos; free the
17901 undobuf.frees list.
17903 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
17905 * stmt.c (cost_table_): New.
17906 (estimate_case_costs): Use it instead of xmalloc.
17908 * toplev.c (compile_file): Reuse dumpname memory instead
17911 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
17913 * reg-stack.c (convert_regs_1): Initialize target_stack->top
17914 after verifying an EH edge.
17916 * haifa-sched.c (init_rgn_data_dependences): Correctly
17917 size bb_pending_lists_length when zeroing.
17919 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
17921 * function.c (diddle_return_value): New.
17922 (expand_function_end): Use it.
17923 * stmt.c (expand_null_return): Likewise.
17924 (expand_value_return): Likewise.
17926 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
17928 * reload1.c (reload): Don't remove return value clobbers.
17930 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
17932 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
17934 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
17936 * cse.c (cse_main): Use xmalloc, not alloca.
17937 (cse_basic_block): Likewise.
17938 * local-alloc.c (local_alloc): Likewise.
17940 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
17941 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17943 * rtl.c: Include toplev.h.
17944 (fatal): Remove declaration.
17946 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
17948 * haifa-sched.c (schedule_block): Fix thinko.
17950 1999-11-03 James McKelvey <mckelvey@fafnir.com>
17952 * fixinc/fixincl.c(create_file): Allow for systems that do not have
17953 S_IR* defined values
17955 1999-11-03 Philippe De Muyter <phdm@macqel.be>
17957 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
17958 call `malloc' instead.
17960 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
17962 * flags.h (flag_renumber_insns): Declare.
17963 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
17965 * rtl.h (renumber_insns): Change prototype.
17966 * toplev.c (flag_renumber_insns): Define.
17967 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
17969 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
17971 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
17972 and fpsqrtd. Use them and create fdiv function unit to more
17973 accurately represent fpu sqrt pipeline semantics on UltraSparc.
17974 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
17976 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
17978 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
17980 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
17981 insn into ready list, do not use just a raw swap.
17983 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
17985 * rtl.h (renumber_insns): New function.
17986 (remove_unnecessary_notes): Likewise.
17987 * emit-rtl.c (renumber_insns): Define.
17988 (remove_unncessary_notes): Likewise.
17989 * toplev.c (rest_of_compilation): Remove dead code.
17990 Use renumber_insns and remove_unncessary_notes.
17992 * gcse.c (struct null_pointer_info): New type.
17993 (get_bitmap_width): New function.
17994 (current_block): Remove.
17995 (nonnull_local): Likewise.
17996 (nonnull_killed): Likewise.
17997 (invalidate_nonnull_info): Take a null_pointer_info as input.
17998 (delete_null_pointer_checks_1): New function.
17999 (delete_null_pointer_checks): Use it.
18001 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
18002 (split_edges): Likewise.
18003 (schedule_block): Likewise.
18004 (compute_block_backward_dependencies): Likewise.
18005 (schedule_region): Likewise.
18006 (schedule_insns): Likewise.
18008 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
18010 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
18011 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
18012 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
18013 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
18014 * jump.c (delete_unreferenced_labels): Don't delete if
18015 LABEL_ALTERNATE_NAME is set.
18016 * print-rtl.c (print_rtx): Dump alternate name.
18017 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
18018 * rtl.h (LABEL_ALTERNATE_NAME): Define.
18019 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
18020 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
18022 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18024 * fix-header.c (recognized_extern, recognized_function): Constify
18027 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
18028 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
18029 (compute_available): Remove unused variable `last'.
18030 (compute_nearerout): Remove unused variable `temp_bitmap'.
18031 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
18032 Remove unused variable `x'.
18034 * scan.h (recognized_function, recognized_extern): Constify a
18037 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
18039 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18041 * varasm.c (decode_rtx_const): Use XSTR to access the string
18044 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
18046 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
18048 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18050 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
18052 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
18054 * pa.c (ireg_operand): New function.
18055 * pa.h (PREDICATE_CODES): Handle ireg_operand.
18056 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
18057 Fix out of date comment.
18059 * pa.md (negdi2): Turn into expander + anonymous pattern.
18061 * reload.c (find_reloads): Fix typos in recent change.
18063 * dwarf2out.c: Do not include ctype.h.
18065 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18067 * regclass.c (record_reg_classes): Always use may_move_cost when
18068 seeing how operand fits with various register classes.
18070 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
18072 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
18073 * toplev.c: Revert Nov 1 13:22 change.
18075 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
18077 * config/pa/pa.md (height reduction patterns): Add checks for
18078 overlapping operands to avoid semantic-destroying splits for
18079 height reduction patterns.
18081 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18083 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
18084 have been an hyphen, fixed.
18085 * configure: Rebuilt.
18087 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
18089 * config/arm/tpe.h: Add prototypes for exported functions.
18090 * config/arm/pe.c: Fix compile time warnings.
18091 * config/arm/semi.h: Fix compile time warnings.
18092 * config/arm/arm.c: Fix compile time warnings.
18093 * config/arm/arm.h: Fix compile time warnings.
18094 * config/arm/arm.md: Fix compile time warnings.
18095 * config/arm/thumb.c: Fix compile time warnings.
18096 * config/arm/thumb.h: Fix compile time warnings.
18097 * config/arm/thumb.md: Fix compile time warnings.
18099 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
18101 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
18104 * unroll.c (unroll_loop): Remove LOOP notes when loop is
18105 completely unrolled.
18107 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18109 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
18111 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
18113 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
18114 * rtl.h (rtx_equal_p): Move prototype.
18115 * rtl.c (rtx_equal_function_value_matters): Move from
18117 (rtx_equal_p): Likewise.
18118 * rtlanal.c (rtx_equal_function_value_matters): Delete.
18119 (rtx_equal_p): Likewise.
18121 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18123 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
18124 ! HAS_INIT_SECTION.
18126 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
18128 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
18130 * pa.h (ADDR_VEC_ALIGN): Define.
18132 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
18133 notes when presented with "if (foo) break; end_of_loop" and
18134 the break sequence gets moved out of the loop.
18136 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
18137 Remove explicit zero initializations of entries within MAP.
18139 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
18141 * reg-stack.c (convert_regs_1): Handle EH edges specially.
18143 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
18145 * bitmap.h (BITMAP_XMALLOC): New macro.
18146 * flow.c (CLEAN_ALLOCA): Remove.
18147 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
18148 (life_analysis): Likewise.
18149 (update_life_info): Don't use CLEAN_ALLOCA.
18150 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
18151 (calculate_global_regs_live): Likewise.
18152 (print_rtl_with_bb): Likewise.
18153 (verify_flow_info): Likewise.
18154 * global.c (global_alloc): Likewise.
18155 (global_conflicts): Likewise.
18156 * integrate.c (save_for_inline_nocopy): Likewise.
18157 (expand_inline_function): Likewise.
18158 * jump.c (jump_optimize_1): Likewise.
18159 (duplicate_loop_exit_test): Likewise.
18160 (thread_jumps): Likewise.
18161 * loop.c (loop_optimize): Likewise.
18162 (combine_givs): Likewise.
18163 (recombine_givs): Likewise.
18164 * reorg.c (dbr_schedule): Likewise.
18165 * unroll.c (unroll_loop): Likewise.
18167 * combine.c (combine_instructions): Use xmalloc instead of alloca.
18169 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
18171 * toplev.c (rest_of_compilation): Don't optimize the CFG
18172 when rebuilding, just before dbr.
18174 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18176 * output.h (assemble_end_function, assemble_destructor,
18177 assemble_constructor, assemble_gc_entry, assemble_global,
18178 assemble_label, output_constant_pool) Constify a char*.
18180 * varasm.c (assemble_destructor, assemble_constructor,
18181 assemble_gc_entry, assemble_end_function, assemble_global,
18182 assemble_label, output_constant_pool): Likewise.
18184 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
18186 * config/arm/thumb.c (thumb_expand_prologue): Add comments
18187 explaining what is goin on in this function.
18189 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18191 * regclass.c (record_reg_classes): In matching case, recompute
18192 costs since the direction of movement is different.
18194 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
18196 * resource.c (mark_target_live_regs): For unconditional branches,
18197 the resources found at the branch target should be added to the
18198 resources found so far, not intersected.
18200 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
18202 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
18204 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
18205 (sys/mman.h): Include this file only if #HAVE_MMAP.
18206 (run_compiles): Initialize `esac_fmt' with one old KR string, not
18207 with automatically concatenated ANSI strings.
18209 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
18211 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
18212 (DIV_ROUND_UP): Robustify.
18213 (ggc_recalculate_in_use_p): New function.
18214 (release_pages): Don't inline it.
18215 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
18217 (ggc_pop_context): Use ggc_recalculate_in_use_p.
18218 (clear_marks): Always save in_use_p.
18219 (sweep_pages): Use ggc_recalculate_in_use_p.
18220 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
18221 Release pages before counting statistics.
18223 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
18225 * toplev.c (rest_of_compilation): Fix thinko in this change:
18227 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18229 (rest_of_compilation): If inside an inlined external function,
18230 pretend we are just being declared.
18232 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
18234 * flow.c (calculate_global_regs_live): Fix thinko.
18236 * integrate.c (expand_inline_function): Fix bugs in previous
18237 change from Oct 28, 1999.
18239 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
18241 * stmt.c (expand_value_return): Fix typo in this change:
18243 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18244 (expand_value_return): Correctly convert VAL when promoting function
18245 return; support RETURN_REG being a PARALLEL.
18247 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
18249 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
18251 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18253 * hard-reg-set.h (reg_names): Constify a char*.
18255 * regclass.c (reg_names): Likewise.
18257 * regs.h (reg_names): Likewise
18259 * a29k/a29k.c (reg_names): Delete declaration.
18261 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
18263 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
18264 arc_output_function_epilogue): Likewise.
18266 * elxsi/elxsi.c (reg_names): Likewise.
18268 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
18270 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
18273 * m88k/m88k.c (output_function_profiler): Likewise.
18275 * sparc/sparc.c (sparc_flat_output_function_prologue,
18276 sparc_flat_output_function_epilogue): Likewise.
18278 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
18280 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
18281 warning from -Wuninitialized and put it under -W.
18282 * function.c (uninitialized_vars_warning): Warn only when the
18283 corresponding flag is set.
18285 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
18287 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
18288 is nonzero and the single set does not have an elt, then assign
18291 * simplify-rtx.c: New file.
18292 * Makefile.in (OBJS): Add simplify-rtx.o
18293 (simplify-rtx.o): Add dependencies.
18294 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
18295 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
18296 (cse_gen_binary, simplify_unary_operation): Delete.
18297 (simplify_binary_operation, simplify_plus_minus): Likewise.
18298 (check_fold_consts, simplify_relation_operation): Likewise.
18299 (simplify_ternary_operation): Likewise.
18300 (delete_trivially_dead_insns): Simplify the contents of the
18301 REG_EQUAL note before trying to substitute it into the source
18302 of the reg-reg copy at the end of a libcall sequence.
18304 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
18305 references/callers changed.
18307 * mn10200.c (mn10200_va_arg): Force the return value into a
18310 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
18312 * cccp.c (macroexpand): Avoid out of range accesses for omitted
18315 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
18317 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
18319 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
18321 * fold-const.c (fold): Fix thinko when optimizing comparisons
18324 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
18326 * gcc.texi (Passes): Update front-end files to their current
18329 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
18331 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
18332 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
18333 (PREDICATE_CODES): Add addition_operation.
18334 * alpha-protos.h (addition_operation): Declare.
18335 (secondary_reload_class): Likewise.
18336 * alpha.c (addition_operation): New.
18337 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
18338 * alpha.md (adddi3): Turn into expander.
18339 (*lda, *adddi_2): New.
18340 (movsf, movdf patterns): Don't preference integer regs.
18341 (movsi, movdi patterns): Don't preference fp regs.
18343 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
18345 * genrecog.c (write_switch): Check for duplicate CODE cases.
18347 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
18349 * ggc-common.c: Update pre-function commentary.
18350 * ggc-page.c: Likewise.
18352 (poison_pages): Use memset directly.
18353 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
18354 (ggc_collect): Poison before sweeping.
18355 * ggc-simple.c: Update pre-function commentary.
18356 (ggc_alloc_obj): Poison non-zeroed memory.
18358 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
18360 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
18361 match format string, even on 64-bit hosts.
18362 * gcc-page.c (ggc_page_print_statistics): Likewise.
18364 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
18366 * config/i386/i386.c (ix86_cpu): Revert last patch.
18367 * config/i386/i386.h (ix86_cpu): Ditto.
18369 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
18371 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
18372 TYPE_SIZE, convert type of result to sizetype.
18374 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
18376 * flow.c (count_or_remove_death_notes): Equate NULL with the
18379 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
18380 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
18383 * i386.c (pic_label_no): Delete.
18384 (ix86_attr_length_default): Don't use single_set to peek
18387 * recog.c (peephole2_optimize): Allow recog_next_insn to index
18388 the first insn after bb->end.
18389 * i386.md (push mem peeps): Scratch is live after evaluation
18391 (cmp mem peep): Similarly.
18393 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
18395 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
18396 * function.c (pad_to_arg_alignment): Add missing braces.
18398 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18400 * alpha/alpha-protos.h (literal_section): Add prototype.
18401 (alpha_need_linkage, alpha_start_function,alpha_end_function):
18404 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
18406 (alpha_start_function, alpha_end_function, float_strings,
18407 alpha_need_linkage): Constify a char*
18409 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
18411 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
18413 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
18415 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
18417 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18419 * flow.c (debug_flow_info): Add prototype.
18421 * gcc.c (main): Likewise.
18423 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
18426 * reload1.c (failed_reload, set_reload_reg): Likewise.
18428 * mips-tfile.c (main): Likewise.
18429 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
18430 with ATTRIBUTE_NORETURN.
18432 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
18434 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
18435 DECL is not a memory ref.
18437 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
18439 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
18440 * config/i386/i386.c (ix86_cpu): Add extern attribute.
18442 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
18444 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
18445 * config/mips/elf64.h: ditto.
18447 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
18449 * expr.c (emit_push_insn): New argument alignment_pad.
18450 Update all callers. Adjust stack pointer based on alignment pad.
18451 * function.c (pad_to_arg_alignment): New argument alignment_pad.
18452 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
18453 (locate_and_pad_parm): New argument alignment_pad. Update all
18455 * expr.h (emit_push_insn): Update prototype.
18456 (locate_and_pad_parm): Update prototype.
18457 * calls.c (arg_data): Add new field alignment_pad.
18458 (initialize_argument_information): Initialize alignment_pad.
18460 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
18462 * except.c (free_eh_nesting_info): Free the info itself.
18463 * function.c (free_after_compilation): Don't free NULL.
18464 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
18465 (pre_edge_insert): Free inserted.
18466 * stmt.c (free_stmt_status): Don't free NULL.
18468 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
18470 * gcov.c (DIR_SEPARATOR): Provide default.
18471 (output_data): Add test for MS-DOS format absolute filename.
18472 (fancy_abort): Correct program name.
18473 (open_files): Open all files in binary mode.
18474 * libgcc2.c (__bb_exit_func): Likewise.
18476 * profile.c (init_branch_prob): Specify binary when opening files.
18478 * flags.h (flag_unwind_tables): New decl.
18479 * toplev.c (flag_unwind_table): New definition.
18480 (f_options): Add -funwind-tables.
18481 (decode_g_option): Clarify warning when unknown -g option is given.
18482 (rest_of_compilation): If inside an inlined external function,
18483 pretend we are just being declared.
18485 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
18486 (dwarf2out_frame_finish): Likewise.
18488 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
18490 * fold-const.c (merge_ranges): If not in0, but in1, handle
18491 upper bounds equal like subset case.
18493 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
18495 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
18496 passed in a register but moved to the stack.
18498 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
18500 * gcc.c (pass_exit_codes, greatest_status): New variables.
18501 (struct option_map): Add entry for "--pass-exit-codes".
18502 (execute): Update greatest_status if error.
18503 (display_help): Add documentation for -pass-exit-codes.
18504 (process_command): Handle -pass-exit-codes.
18505 (main): Look at pass_exit_codes and greatest_status on call to exit.
18507 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18509 * reload.c (find_reloads): Refine test for no input reload
18510 case to not includes reloads emitted after insn.
18512 * function.c (find_temp_slots_from_address): Handle sum involving
18513 a register that points to a temp slot.
18514 (update_temp_slot_address): Make recursive call if both old and
18515 new are PLUS with a common operand.
18516 * calls.c (expand_call): Mark temp slot for result as having
18519 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
18521 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
18522 component as well as "BINUTILS".
18524 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
18525 * integrate.c (copy_rtx_and_substitute): Likewise.
18526 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
18527 All callers changed.
18528 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
18530 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
18531 gdb extensions, write size of type; also be more consistent
18532 in using references when this is a subtype.
18534 * pa.md (extv, extzv, insv): Use define_expand to reject constant
18535 that is out of range.
18537 * loop.c (unknown_constant_address_altered): New variable.
18538 (prescan_loop): Initialize it.
18539 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
18540 (invariant_p, case MEM): Remove handling for volatile and readonly;
18541 check new variable if readonly.
18542 (check_dbra_loop): Chdeck unknown_constant_address_altered.
18544 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
18545 (addr_affects_sp_p): Removed from note_mem_written and only
18546 define #ifdef AUTO_INC_DEC.
18548 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
18550 * regclass.c (record_reg_classes): Properly handle register move
18553 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
18554 Don't think valid if both operands are invalid.
18555 (struct constant_descriptor): New field RTL.
18556 (mark_const_hash_entry): Mark it.
18557 (record_constant{,_rtx}): Initialize it.
18558 (output_constant_def): Allocate RTL in permanent obstack and
18560 ({record,compare}_constant_1): Modes must match for
18561 CONSTRUCTOR of ARRAY_TYPE.
18563 * c-common.h (initializer_constant_valid_p): Delete decl from here.
18564 * output.h (initializer_constant_valid_p): Move decl to here.
18565 * c-common.c (initializer_constant_valid_p): Delete function from here.
18566 * varasm.c (initializer_constant_valid_p): Move function to here.
18568 * tree.h (STRIP_SIGN_NOPS): New macro.
18569 * fold-const.c (optimize_minmax_comparison): New function.
18570 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
18571 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
18572 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
18573 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
18574 widening conversions.
18575 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
18576 to look at size of mode, not precision of type; also add missing cases.
18577 (optimize_bit_field_compare, decode_field_reference): Don't try to
18578 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
18580 * dwarf2out.c (ctype.h): Include.
18581 (dwarf2out_set_demangle_name_func): New function.
18582 (size_of_line_info): Deleted.
18583 (output_line_info): Compute size of line info table from difference
18585 (base_type_die, add_name_attribute): Call demangle function, if any.
18586 (field_byte_offset): Use bits per word for variable length fields.
18587 (gen_array_type_die): Add array name.
18588 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
18589 (dwarf2out_add_library_unit_info): New function.
18591 * explow.c (set_stack_check_libfunc): New function.
18592 (stack_check_libfunc): New static variable.
18593 (probe_stack_range): Allow front-end to set up a libfunc to call.
18595 * combine.c (simplify_comparison): When making comparison in wider
18596 mode, check for having commuted an AND and a SUBREG.
18597 (contains_muldiv): New function.
18598 (try_combine): Call it when dividing a PARALLEL.
18599 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
18600 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
18602 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
18603 use one of the CLOBBERs instead.
18604 (if_then_else_cond): If comparing against zero, just return thing
18607 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
18608 Don't generate shifts and subtract if have conditional arithmetic.
18610 * rtl.h (delete_barrier): New declaration.
18611 * jump.c (jump_optimize): Set up to handle conditional call.
18612 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
18613 (delete_barrier): New function.
18615 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
18617 * recog.c (nonmemory_operand): Accept ADDRESSOF.
18619 * tree.c (build_type_attribute_variant): Push to obstack of
18620 ttype around type_hash_canon call.
18622 * expr.c (placeholder_list): Move decl to file scope.
18623 (expand_expr): Don't force access to volatile just because its
18625 If ignoring reference operations, just expand the operands.
18626 (expand_expr, case COMPONENT_REF): Propagate
18627 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
18628 Refine test for using bitfield operations vs pointer punning.
18629 (expand_expr, case CONVERT_EXPR): If converting to
18630 BLKmode UNION_TYPE from BLKmode, just return inner object.
18631 Use proper mode in store_field call.
18632 Properly set sizes of object to store and total size in store_field
18633 call for convert to union.
18634 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
18635 memory (like for ADDR_EXPR). Also, don't put constant in register if
18636 we'll want it in memory.
18637 (readonly_fields_p): New function.
18638 (expand_expr, case INDIRECT_REF): Call it if LHS.
18639 (expand_assignment): Handle a RESULT_DECL where
18640 DECL_RTL is a PARALLEL.
18641 (do_jump, case WITH_RECORD_EXPR): New case.
18642 (get_inner_reference): Always go inside a CONVERT_EXPR
18643 and NOP_EXPR if both modes are the same.
18644 (store_field): Use bitfield operations if size of bitsize is not same
18645 as size of RHS's type.
18646 Check for bitpos not a multiple of alignment in BLKmode case.
18647 Do block move in largest possible alignment.
18648 (store_constructor): Set BITSIZE to -1 for variable size and properly
18649 in case of array of BLKmode.
18650 (expand_expr_unaligned): New function.
18651 (do_compare_and_jump): Call it.
18653 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
18654 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
18655 does not include 'o'.
18657 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
18658 both SET_DEST and SET_SRC reference a virtual register.
18659 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
18661 * integrate.c (expand_inline_function): Handle case of setting
18662 virtual stack vars register (from built in setjmp); when parameter
18663 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
18664 (subst_constant): Add new parm, MEMONLY.
18665 (expand_inline_function, integrate_parm_decls): Pass new parm.
18666 (integrate_decl_tree): Likewise.
18667 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
18668 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
18669 (copy_rtx_and_substitute, case SET): Add explicit calls to
18670 copy_rtx_and_substitute for both sides.
18672 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
18674 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
18675 within INDEX_TYPE, instead of before.
18676 (fixup_gotos): Use f->target_rtl, not the next insn,
18677 since latter may be from a later fixup.
18678 (expand_value_return): Correctly convert VAL when promoting function
18679 return; support RETURN_REG being a PARALLEL.
18680 (expand_return): When checking for result in regs and having
18681 cleanup, consider PARALLEL in DECL_RTL as being in regs.
18683 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
18685 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
18686 last_nominal_fname): Mark const.
18687 (struct include_hash: name, nshort, control_macro): Mark
18689 (struct macrodef: symnam): Mark const.
18690 (struct if_stack: fname): Mark const.
18691 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
18692 (IStable): New character-syntax array which encompasses all
18693 the old is_foo arrays.
18694 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
18695 is_space): New macros for interrogating IStable.
18696 (check_macro_name): Kill last argument. All callers changed.
18698 * cppinit.c (initialize_char_syntax): Delete.
18699 (is_idchar, is_idstart, is_hor_space, is_space,
18700 trigraph_table): Delete.
18701 (IStable): New. Initialize with clever macros to avoid
18702 information duplication.
18703 (builtin_array): Table of builtins to get rid of explicit list
18704 in initialize_builtins.
18705 (initialize_builtins): Use builtins_array.
18706 (cpp_start_read): Call init_IStable, and set IStable['$'] if
18707 opts->dollars_in_ident.
18709 * cppexp.c: Change all refs to is_xyz[] arrays to use new
18711 (cpp_parse_expr): Avoid 'format string is not constant'
18712 warning. Use ISGRAPH to identify printable chars.
18713 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
18715 (read_and_prescan): Map trigraphs to chars with open-coded
18716 if-else-if-... sequence, not a lookup table.
18717 * cpphash.c: Change all refs to is_xyz[] arrays to use new
18719 * cpplib.c: Change all refs to is_xyz[] arrays to use new
18720 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
18721 (check_macro_name): Remove ability to report an invalid
18722 assertion name, which is never used.
18723 (do_line): Constify a couple of char *'s.
18724 * cppmain.c (main): Call cpp_cleanup before returning.
18726 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
18728 * ggc.h (struct ggc_statistics): New type.
18729 (ggc_get_size): New function.
18730 (ggc_print_statistics): Likewise.
18731 * ggc-common.c (ggc_stats): New variable.
18732 (ggc_mark_rtx_children): Keep statistics.
18733 (ggc_mark_tree_children): Likewise.
18734 (ggc_print_statistics): New function.
18735 * ggc-page.c (struct globals): Add bytes_mapped field.
18736 (alloc_anon): Update it.
18737 (release_pages): Likewise.
18738 (ggc_get_size): New function.
18739 (ggc_page_print_statistics): New function.
18740 * ggc-simple.c (ggc_get_size): New function.
18742 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
18744 * flow.c (propagate_block): When the last reference to a label
18745 before an ADDR_VEC is deleted because the reference is a dead
18746 store, delete the ADDR_VEC.
18748 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
18750 * resource.c (find_free_register): Don't use the frame pointer
18751 if frame_pointer_needed.
18753 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
18755 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
18756 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
18758 * config/i960/i960.c (i960_va_start): New locals base, num.
18759 Use INDIRECT_REF instead of ARRAY_REF on valist.
18760 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
18762 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
18764 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
18766 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
18768 * tree.def (PLACEHOLDER_EXPR): Update comments.
18770 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18772 * c-common.c (check_format_info): Avoid non-literal format string
18773 warnings when `first_arg_num' is zero.
18775 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18777 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
18779 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
18781 * arm.md (casesi_insn): Add a clobber of the condition code
18784 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
18786 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
18787 used by both cc1 and cc1plus.
18789 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
18791 * config/arm/arm.c: Initialise arm_structure_size_boundary to
18792 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
18793 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
18794 to the value 32 if it has not already been defined.
18795 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
18796 Override definition in arm.h with a value of 8.
18798 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
18800 * c-pragma.c (push_alignment): Don't check the return value
18803 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
18805 * sparc.h (ADJUST_COST): Fix thinko.
18807 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
18809 * cccp.c (rescan): Fixed obp pointer handling around call to
18810 check_expand subroutine.
18812 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
18814 * gcse.c (delete_null_pointer_checks): Only record non-null info
18815 for pseudos when examining stores.
18817 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
18818 splitters for these patterns. Use "#" for output templates.
18819 (addsi3_carryin_shift): New pattern.
18821 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
18823 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
18824 of the function return register into a plain REG until
18825 after function inlining is done.
18827 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
18829 * jump.c (jump_optimize_1): If we did cross-jumping, and
18830 the data will matter, rebuild the CFG.
18831 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
18832 not optimizing. Don't run shorten_branches.
18833 * toplev.c (rest_of_compilation): Run shorten_branches after
18836 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
18838 * rtl.h (note_stores): Add additional paramter.
18839 * rtlanal.c (reg_set_p_1): Take additional paramter.
18840 (reg_set_last_1): Likewise.
18841 (reg_set_p): Adjust call to note_stores.
18842 (reg_set_last): Likewise.
18843 (note_stores): Pass data parameter to worker function.
18844 * alias.c (record_set): Take additional parameter.
18845 (init_alias_analysis): Pass it.
18846 * caller-save.c (mark_set_regs): Take additional parameter.
18847 (save_call_clobbered_regs): Pass NULL to note_stores.
18848 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
18850 (record_dead_and_set_regs_1): Likewise.
18851 (reg_dead_at_p_1): Likewise.
18852 (combine_instructions): Adjust calls to note_stores.
18853 (try_combine): Likewise.
18854 (record_dead_insn): Remove.
18855 (record_dead_and_set_regs): Adjust calls to note_stores.
18856 (reg_dead_at_p): Likewise.
18857 * cse.c (invalidate_skipped_set): Take additional parameter.
18858 (cse_check_loop_start): Likewise.
18859 (cse_check_loop_start_value): Remove.
18860 (cse_set_around_loop): Adjust calls to note_stores.
18861 * flow.c (notice_stack_pointer_modification): Take additional
18862 parameter. Remove duplicate declaration.
18863 (record_volatile_insns): Adjust calls to note_stores.
18864 * gcse.c (record_set_info): Take additional parameter.
18865 (record_last_set_info): Likewise.
18866 (invalidate_nonnull_info): Likewise.
18867 (record_set_insn): Remove.
18868 (compute_sets): Adjust calls to note_stores.
18869 (last_set_insn): Remove.
18870 (compute_hash_table): Adjust calls to note_stores.
18871 (insert_insn_end_bb): Likewise.
18872 (delete_null_pointer_checks): Likewise.
18873 * global.c (mark_reg_store): Take additional parameter.
18874 (mark_reg_clobber): Likewise.
18875 (reg_becomes_live): Likewise.
18876 (global_conflicts): Adjust calls to note_stores.
18877 (build_insn_chain): Likewise.
18878 * integrate.c (note_modified_parmregs): Take additional parameter.
18879 (mark_stores): Likewise. Make it static.
18880 (save_for_inline_nocopy): Adjust calls to note_stores.
18881 (try_constants): Likewise.
18882 * integrate.h (mark_stores): Remove declaration.
18883 * jump.c (mark_modified_reg): Take additional parameter.
18884 (thread_jumps): Adjust calls to note_stores.
18885 * local-alloc.c (validate_equiv_mem_from_store): Take additional
18887 (no_equiv): Likewise.
18888 (reg_is_set): Likewise.
18889 (validate_equiv_mem): Adjust calls to note_stores.
18890 (update_equiv_regs): Likewise.
18891 (block_alloc): Likewise.
18892 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
18893 (note_addr_stored): Take additional parameter.
18894 (note_set_pseudo_multiple_uses): Likewise.
18895 (record_initial): Likewise.
18896 (prescan_loop): Adjust calls to note_stores.
18897 (strength_reduce): Likewise.
18898 (check_dbra_loop): Likewise.
18899 * regmove.c (flags_set_1): Take additional paramter.
18900 (mark_flags_life_zones): Adjust calls to note_stores.
18901 * reload1.c (mark_not_eliminable): Take additional parameter.
18902 (forget_old_reloads_1): Likewise.
18903 (reload_cse_invalidate_rtx): Likewise.
18904 (reload_cse_check_clobber): Likewise.
18905 (reload_combine_note_store): Likewise.
18906 (move2add_note_store): Likewise.
18907 (reload): Adjust calls to note_stores.
18908 (reload_as_needed): Likewise.
18909 (emit_reload_insns): Likewise.
18910 (reload_cse_regs_1): Likewise.
18911 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
18912 (reload_combine): Adjust calls to note_stores.
18913 * resource.c (update_live_status): Take additional paramter.
18914 (mark_target_live_regs): Adjust calls to note_stores.
18915 * stupid.c (find_clobbered_regs): Take additional parameter.
18916 (stupid_life_analysis): Adjust calls to note_stores.
18918 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
18920 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
18923 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
18926 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
18927 of the variable arm_structure_size_boundary.
18929 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18931 * alias.c (init_alias_analysis): Allocate reg_known_value and
18932 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
18934 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
18935 * cse.c (cse_main): Call end_alias_analysis.
18936 * haifa-sched.c (schedule_insns): Likewise.
18937 * local-alloc. (update_equiv_regs): Likewise.
18938 * reload1.c (reload_cse_regs): Likewise.
18940 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18942 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
18943 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
18944 mapping from MASK_FPU.
18946 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
18948 * sparc.md (call): Don't bound structure return size to 0xfff.
18950 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
18952 * resource.c (mark_target_live_regs): Check that the target
18953 insn wasn't created after compute_bb_for_insn.
18955 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
18957 * ggc-page.c (poison_pages): Don't be overzealous.
18959 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
18961 * alias.c: Update comments for ADDRESS.
18962 (nonlocal_reference_p): Look inside the ADDRESS to determine if
18963 it is a local memory reference.
18965 * c-typeck.c (build_function_call): Check that the built-in
18966 function is of class BUILT_IN_NORMAL before trying to recongize
18967 it as BUILT_IN_ABS.
18968 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
18969 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
18971 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
18973 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
18975 (pre_gcse): Likewise.
18976 (hoist_expr_reaches_here_p): Likewise.
18977 (hoist_code): Likewise.
18978 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
18980 (pre_expr_reaches_here_p_work): ... here.
18981 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
18983 (expr_reaches_here_p_work): ... here.
18985 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
18987 * resource.c (find_basic_block): Delete.
18988 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
18989 (init_resource_info): Call compute_bb_for_insn.
18991 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
18993 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
18994 with already adjacent blocks, but no fallthru.
18995 (merge_blocks_move_successor_nojumps): Simplify.
18996 (debug_flow_info): New.
18998 * toplev.c (rest_of_compilation): Open jump1 dump file before
18999 jump and close after, as opposed to just using dump_rtl.
19001 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19003 * reload.h (earlyclobber_operand_p): Declare.
19004 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
19005 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
19006 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
19007 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
19009 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
19010 Richard Henderson <rth@cygnus.com>
19012 * emit-rtl.c (emit_block_insn_before): New.
19013 (emit_block_insn_after): New.
19014 * basic-block.h: Declare them.
19016 * bitmap.h: Protect from multiple inclusion.
19018 * recog.c (scratch_operand): Handle VOIDmode correctly.
19020 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
19022 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
19023 * function.c (assign_parms): Likewise.
19024 * global.c (global_conflicts): Clarify STACK_REGS commentary.
19026 * reg-stack.c (max_uid): Remove.
19027 (blocks, block_begin, block_end, block_drops_in): Remove.
19028 (block_stack_in, block_out_reg_set, block_number): Remove.
19029 (struct block_info_def, BLOCK_INFO): New.
19030 (enum emit_where): New.
19031 (current_block): New.
19032 (BLOCK_NUM): Remove.
19033 (mark_regs_pat, record_label_references): Remove.
19034 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
19036 (goto_block_pat, print_blocks, dump_stack_info): Remove.
19037 (reg_to_stack): Simplified test for existance of fp code. Use
19038 flow.c code. Call shorten_branches after cross-jump opt.
19039 (check_asm_stack_operands): Renamed from record_asm_reg_life.
19040 Return false if the asm doesn't use stack regs. Don't do life
19041 analysis on the asm.
19042 (emit_pop_insn): Replace function pointer arg `when' with
19043 enum `where'. Update all callers.
19044 (change_stack): Likewise. Update basic block end.
19045 (emit_swap_insn): Use current_block->head to limit reverse search
19046 for start of block. Use emit_block_insn_after.
19047 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
19048 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
19049 structure assignment instead of bcopy.
19050 (print_stack): New.
19051 (convert_regs_entry, convert_regs_exit): New.
19052 (convert_regs_1, convert_regs_2): Split out from convert_regs.
19053 Work on basic blocks and the CFG.
19054 (convert_regs): Use them.
19056 * i386.c (output_fix_trunc): Remove code for DImode input operand
19057 not at top-of-stack.
19058 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
19060 (fix_truncdi_1): Allow any mode scratch.
19062 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
19064 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
19065 * linux.h, netbsd.h, vms.h: Not here.
19067 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
19069 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
19070 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
19071 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
19072 CONDITIONAL_REGISTER_USEAGE): Use them.
19073 * config/mips/mips.c (mips_move_1word,mips_move_2words,
19074 gen_conditional_branch,override_options) : Use them.
19075 * config/mips/mips.md : Use them.
19077 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
19079 * i386.md (zero_extendqihi2): Use SImode register name with andl.
19081 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
19083 * integrate.c (function_cannot_inline_p): Don't allow inlining
19086 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19088 * c-parse.in (cast_expr): Constify.
19090 * cccp.c (special_symbol): Likewise.
19092 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
19094 * dwarf2out.c (base_type_die): Likewise.
19096 * global.c (allocno_compare): Likewise.
19098 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
19100 * regclass.c (fix_register): Likewise.
19102 * rtl.h (fix_register): Likewise.
19104 * stupid.c (stupid_reg_compare): Likewise.
19106 * toplev.c (decode_f_option): Likewise.
19108 * tree.c (build_complex_type): Likewise.
19110 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
19112 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
19114 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19116 * reload.c (find_reloads): Compute mode and nregs fields of all
19118 * reload1.c (calculate_needs_all_insns): Simplify a bit.
19119 (calculate_needs): Use precomputed mode/nregs values.
19120 (allocate_reload_reg): Likewise.
19122 (failed_reload, set_reload_reg): ... new functions.
19123 (choose_reload_regs_init): New function, mostly broken out from...
19124 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
19125 Also lose one #if 0 block.
19127 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
19129 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
19132 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
19134 * tree.h (BLOCK_TYPE_TAGS): Remove.
19135 (BLOCK_END_NOTE): Likewise.
19136 (BLOCK_LIVE_RANGE_FLAG): Likewise.
19137 (BLOCK_LIVE_RANGE_START): Likewise.
19138 (BLOCK_LIVE_RANGE_END): Likewise.
19139 (tree_block): Remove live_range_flag, live_range_var_flag, and
19140 type_tags. Remove end_note, live_range_start, and live_range_end.
19141 (remember_end_note): Remove prototype.
19142 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
19143 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
19145 * ggc-common.c (ggc_mark_tree_children): Don't mark
19146 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
19147 * integrate.c (adjust_copied_decl_tree): Remove.
19148 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
19149 * stmt.c (last_block_end_note): Remove.
19150 (init_stmt): Don't add a GC root for it.
19151 (expand_fixup): Don't set it.
19152 (remember_end_note): Remove.
19153 (expand_end_bindings): Don't set last_block_end_note.
19155 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19157 * reload1.c (reload_reg_free_for_value_p): Show
19158 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
19161 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
19163 * expmed.c (extract_bit_field): Allow for the case of non-integer
19164 objects that are smaller than a word (like SFmode on a 64-bit
19167 * loop.c (basic_induction_var): A non-integer variable which is
19168 being set by a paradoxical subreg is probably not a biv.
19170 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19172 * prefix.c (translate_name) Check for empty prefix string.
19174 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
19176 * Makefile.in (CPP_CROSS_NAME): New variable.
19177 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
19179 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
19180 names of the files to be uninstalled.
19182 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
19184 * collect2.c (IS_DIR_SEPARATOR): Define.
19185 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
19187 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
19190 * haifa-sched.c (add_dependence): Update the true dependency
19191 cache the first time we add a true dependence to the LOG_LINKS chain.
19193 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
19195 * fold-const.c (fold): Fix comment.
19197 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19199 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
19200 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
19201 dbxout_start_new_source_file, dbxout_source_file,
19202 dbxout_source_line, dbxout_finish, dbxout_type_fields,
19203 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
19205 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
19206 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
19207 (dbxout_block): Initialize variable `blocknum'.
19209 * dbxout.h (dbxout_init, dbxout_finish,
19210 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
19211 dbxout_args, dbxout_source_line): Constify a char*.
19213 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
19214 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
19215 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
19216 low_pc_attribute, high_pc_attribute, body_begin_attribute,
19217 body_end_attribute, comp_dir_attribute, sf_names_attribute,
19218 src_info_attribute, mac_info_attribute, producer_attribute,
19219 lookup_filename, generate_macinfo_entry, fundamental_type_code,
19220 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
19221 dwarfout_undef): Constify a char*.
19222 (add_incomplete_type, retry_incomplete_types): Add prototypes.
19224 * dwarfout.h (dwarfout_define, dwarfout_undef,
19225 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
19227 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
19229 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
19230 (MULTILIB_ISA_DEFAULT): New.
19231 (MULTILIB_DEFAULTS): Use it.
19232 * config/mips/mips.c (): Remove the now unnecessary definition
19233 of MIPS_ISA_DEFAULT.
19234 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
19235 unnecessary definition.
19237 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
19239 * arm.md (pic_load_addr): Add constraints to operand 1.
19241 1999-10-25 Bruce Korb <autogen@linuxbox.com>
19243 * fixinc/genfixes: Provide a means for specifying -D options to
19246 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
19248 * arm.c (arm_override_options): Correct initialization of
19249 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
19250 arm_is_strong, and arm_is_6_or_7.
19252 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
19253 (note_set_pseudo_multiple_uses): New function.
19254 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
19255 if a pseudo set in the loop exit is used elsewhere.
19257 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
19259 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
19261 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
19263 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
19264 a single load-address pattern.
19266 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
19268 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
19269 depending on whether or not line-number notes are present.
19271 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19273 * cccp.c (progname, file_buf, default_include, include_file,
19274 macrodef, definition, hashval, wchar_type, user_label_prefix,
19275 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
19276 expand_to_temp_buffer, is_system_include, base_name,
19277 absolute_filename, read_name_map, open_include_file,
19278 record_control_macro, check_precompiled, check_preconditions,
19279 pcfinclude, pass_thru_directive, create_definition,
19280 check_macro_name, comp_def_part, collect_expansion,
19281 check_assertion, read_token_list, assertion_install,
19282 assertion_lookup, eval_if_expression, conditional_skip,
19283 validate_else, skip_quoted_string, quote_string, macarg1,
19284 error_from_errno, install, lookup, hashf, dump_defn_1,
19285 perror_with_name, pfatal_with_name, main, trigraph_pcp,
19286 check_white_space, rescan, handle_directive, monthnames,
19287 special_symbol, do_include, remap_include_file, write_output,
19288 arglist, do_assert, do_unassert, do_line, do_error, do_once,
19289 do_ident, do_sccs, do_xifdef, skip_if_group,
19290 output_line_directive, macroexpand, macarg, change_newlines,
19291 initialize_builtins, make_definition): Constify a char*.
19293 * pcp.h (stringdef): Likewise.
19295 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
19297 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
19300 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
19301 Richard Henderson <rth@cygnus.com>
19303 * alias.c: Include ggc.h.
19304 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
19305 (record_set): Verify enough room in reg_base_value.
19306 (init_alias_analysis): Allocate reg_base_value with xcalloc.
19307 Register it as a GC root.
19308 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
19309 * Makefile.in (alias.o): Depend on ggc.h.
19311 * unroll.c (unroll_loop): Verify the insn before a barrier
19312 is a JUMP_INSN before checking JUMP_LABEL.
19314 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19316 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
19317 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
19318 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
19319 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
19320 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
19321 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
19323 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19325 * output.h (ctors_section, dtors_section, bss_section): Prototype.
19327 * alpha/alpha-interix.h (text_section): Delete prototype.
19328 * alpha/elf.h (text_section): Likewise.
19329 * arm/linux-elf.h (text_section): Likewise.
19330 * arm/linux-telf.h (text_section): Likewise.
19331 * c4x/c4x.h (text_section): Likewise.
19332 * dsp16xx/dsp16xx.h (bss_section): Likewise.
19333 * elfos.h (text_section): Likewise.
19334 * i386/aix386ng.h (text_section): Likewise.
19335 * i386/i386-interix.h (text_section): Likewise.
19336 * i386/sco5.h (text_section): Likewise.
19337 * i386/svr3gas.h (text_section): Likewise.
19338 * nextstep.h (text_section): Likewise.
19339 * psos.h (text_section): Likewise.
19340 * ptx4.h (text_section): Likewise.
19341 * svr3.h (text_section): Likewise.
19342 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
19344 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19346 * final.c (peephole): Delete prototype.
19348 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
19349 (pre_insert_copies): Remove unused variable `bb'.
19351 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
19354 * output.h (peephole): Add prototype.
19356 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
19358 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
19361 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
19363 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
19364 for inlined declarations.
19366 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
19368 * arm.c (logical_binary_operator): New fucntion.
19369 * arm.h (logical_binary_operator): Declare it.
19370 (PREDICATE_CODES): Handle logical_binary_operator.
19371 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
19372 output constraints. Add appropriate splitters.
19373 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
19374 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
19375 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
19377 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19379 * genoutput.c (struct operand_data): New elt eliminable.
19380 (output_operand_data): Write it.
19381 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
19382 (compare_operands): Take it into account.
19383 * recog.h (struct insn_operand_data): New elt eliminable.
19384 * reload1.c (check_eliminable_occurrences, elimination_effects): New
19386 (old_asm_operands_vec, new_asm_operands_vec): Delete.
19387 (eliminate_regs): Move code that detects changes to elimination
19388 target regs into new function elimination_effects.
19389 Delete one #if 0 block.
19390 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
19391 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
19392 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
19393 Only call eliminate_regs for real operands of the insn, not for parts
19394 of its structure or parts matched by things like match_operator.
19395 Use elimination_effects and check_eliminable_occurrences. Use
19396 copy_insn to duplicate the pattern when not in the final pass.
19398 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
19400 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
19403 1999-10-22 Bruce Korb <autogen@linuxbox.com>
19405 * fixinc/README: document the "mach" machine matching test
19406 * fixinc/fixfixes.c: Implement the #else/#endif label fix
19407 * fixinc/fixtests.c: Implement the #else/#endif label test
19408 * fixinc/inclhack.def: utilize these tests and fixes
19409 * fixinc/inclhack.sh: regen
19410 * fixinc/fixincl.x: regen
19411 * fixinc/fixincl.sh: regen
19413 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
19415 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
19418 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
19420 * gcc.1: Document exit codes.
19422 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19424 * calls.c: Include tm_p.h later, so everything we need is defined.
19425 * expr.c: Likewise.
19426 * function.c: Likewise.
19428 * except.c: Include tm_p.h.
19430 * sparc.c: Likewise.
19431 (dwarf2out_cfi_label): Don't prototype.
19432 (check_return_regs, epilogue_renumber,
19433 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
19434 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
19435 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
19436 ultra_schedule_insn): Add static prototype.
19437 (data_segment_operand, text_segment_operand): Call itself with the
19438 proper number of arguments.
19439 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
19441 * sparc.h: Move all declarations to sparc-protos.h.
19442 (SELECT_RTX_SECTION): Pass a missing MODE argument to
19445 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
19447 * config/svr4.h (text_section, ctors_section, dtors_section): Add
19449 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
19450 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
19451 ASM_OUTPUT_ASCII): Constify a char*.
19453 * sparc-protos.h: New file for sparc prototypes.
19455 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19457 * function.c (record_insns, contains): Always declare and define.
19458 (record_insns): Mark with ATTRIBUTE_UNUSED.
19460 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
19462 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
19463 to .section when outputting a .bss section to deal with multiple
19464 .bss input sections (as happens with -fdata-sections)
19465 Also output %progbits, not @progbits so the assembler doesn't treat as
19467 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
19469 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
19470 thumb parts even when building with non-thumb CPUs, by forcing
19473 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
19475 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
19476 (movdf_const_intreg_sp64): Similarly.
19478 * local-alloc.c (update_equiv_regs): Check the correct insn
19479 for pre-existing REG_EQUIV notes.
19481 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
19483 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
19484 block reached by a branch if we're not going to actually process
19487 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
19489 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
19490 a local extern function declaration.
19492 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
19494 * i386.c (ix86_expand_prologue): Properly wrap USE around
19495 reg for CALL_INSN_FUNCTION_USAGE.
19497 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
19499 * config/mips/mips.md (movdf_internal1a): Allow floating-point
19500 move between GP_REGs.
19502 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
19504 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
19505 the mode size when finding out if an offset is legal.
19507 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
19509 * basic-block.h (PROP_*): Move constants from ...
19510 * flow.c: ... here.
19511 (compute_bb_for_insn): Free the array before reallocating.
19512 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
19513 (allocate_reg_life_data): Reset all reg variables collected by
19515 (get_block_head_tail): Don't convert from bb to block.
19516 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
19517 (find_insn_reg_weight): Take block not bb.
19518 (schedule_block): Don't set block num for moved insns.
19519 (schedule_region): Don't update_life_info or find_insn_reg_weight.
19520 (schedule_insns): Do it here instead.
19521 * combine.c (combine_instructions): Invoke compute_bb_for_insn
19522 before update_life_info.
19523 * recog.c (split_all_insns, peephole2_optimize): Update for
19524 new arg to update_life_info.
19525 * rtlanal.c (remove_note): Cope with NULL note.
19526 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
19529 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
19531 * jump.c (jump_optimize_1): More accurately detect casesi insns.
19533 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
19534 block records so that merge_blocks_nomove will clean up correctly.
19535 (split_edge): Handle casesi insns.
19537 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
19539 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
19541 * pa.md (call, call_value): Do not emit a blockage after restoring
19544 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
19546 * c-typeck.c (c_expand_asm_operands): Fix typo.
19548 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19550 * arm.c (fpu_rhs_operand): Verify modes.
19551 (fpu_add_operand): Likewise.
19552 (di_operand): Likewise.
19553 (soft_df_operand): Likewise.
19555 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
19557 * arm.c (arm_return_in_memory): APCS rules state that the elements
19558 of a structure returned in a register must be 'integer-like'.
19560 1999-10-19 Bruce Korb <autogen@linuxbox.com>
19562 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
19563 in the source tree when the generated targets are out of date
19564 * fixinc/genfixes: Alter it to run individual fixes for make.
19565 * fixinc/README: rewrite
19566 * fixinc/inclhack.def: moved initial comments to README
19568 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
19570 * toplev.c (main): Do not generate an error message if an
19571 unrecognised command line switch is recognisable by another
19572 language. If extra_warnings are enabled, then generate a
19573 warning message instead.
19575 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
19577 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
19578 (insert_pack_attributes): Delete prototype.
19580 * c-pragma.c (default_alignment): New static variable.
19581 (push_alignment): Initialize to current effective alignment.
19582 (pop_alignment): Use to set new alignment.
19583 (insert_pack_attributes): Delete function.
19584 (handle_pragma_token): Set default_alignment as well each time
19585 a #pragma pack(<n>) is encountered.
19587 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
19589 * reg-stack.c (stack_result): Aggregates are not returned in
19592 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19594 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
19596 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
19598 * basic-block.h (set_block_num): Declare.
19599 * flow.c (update_life_info): Don't call compute_bb_for_insn
19600 or free_basic_block_vars.
19601 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
19602 (insn_orig_block): Remove.
19603 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
19604 (schedule_block): Keep BLOCK_NUM up-to-date.
19605 (schedule_insns): Use compute_bb_for_insn.
19606 * recog.c (split_all_insns): Likewise.
19607 (peephole2_optimize): Likewise.
19609 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
19611 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
19612 if the pic register is used.
19614 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19616 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
19617 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
19618 if that tests TREE_PERMANENT.
19620 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
19622 * cse.c (invalidate_for_call): Do not remove memory references from
19623 the table here. It's handled elsewhere.
19625 * haifa-sched.c (add_dependence): Protect references to the
19626 true dependency cache with #ifdef INSN_SCHEDULING.
19627 (remove_dependence): Similarly.
19629 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
19630 to the cfg code that this is a return instruction.
19631 * mn10300.md (return_internal): Similarly.
19633 * combine.c (get_last_value): If the last set of a register
19634 is after subst_low_cuid, then we can not use it to determine
19635 the register's last value.
19637 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19639 * Makefile.in: Back out previous change.
19641 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
19643 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
19645 * haifa-sched.c (add_dependence): Only check/update the cache
19647 (remove_dependence): Likewise.
19648 (schedule_insns): Only create the true_dependency_cache if the
19649 average number of instructions in a basic block is very large.
19651 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
19653 * Makefile.in (ggc-common.o): Depend on genrtl.h.
19654 (ggc-simple.o): Likewise.
19655 (ggc-page.o): Likewise.
19657 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
19659 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
19660 Prototype for exported functions.
19661 (pre_lcm, pre_rev_lcm): Remove prototypes.
19662 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
19663 (compute_available): Move to lcm.c, and change parameter order.
19664 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
19665 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
19666 (gcse_main): No longer call compute_preds_succs. Rebuild the
19667 set table after reach pre pass.
19668 (pre_insert_map, pre_delete_map, edge_list): New.
19669 (alloc_pre_mem): Allocate edge vectors.
19670 (free_pre_mem): Delete edge vectors.
19671 (compute_pre_data): Call new edge based lcm routines.
19672 (process_insert_insn): New function.
19673 (insert_insn_end_bb): Use it.
19674 (pre_edge_insert): New function.
19675 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
19677 (pre_insert_copies): Revamp using new edge based lcm outputs.
19678 (pre_delete): Likewise.
19679 (one_pre_gcse_pass): Insert & remove fake edges to the exit
19681 (compute_code_hoist_vbeinout): New new edge based routines.
19682 * lcm.c: Remove all the old LCM functions. Replace with new ones
19683 that work with the new cfg datastructures and work with edges
19686 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19688 * reload.h (struct reload): Add new fields "mode" and "nregs".
19689 * reload1.c: Change all occurrences of reload_mode and reload_nregs
19690 to reference the "mode" and "nregs" field within struct reload.
19692 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
19694 * haifa-sched.c (true_dependency_cache): New.
19695 (add_dependence): Use the true dependency cache to avoid expensive
19696 walks down the LOG_LINKS dependency list. Add entries to the
19697 cache as necessary.
19698 (remove_dependence): Remove entries from the true dependency cache
19700 (schedule_insns): Allocate and initialize and free the true
19703 * haifa-sched.c (schedule_insns): Do not remove inter-block
19704 dependencies anymore.
19706 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
19708 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
19709 * i386/t-winnt: Likewise.
19711 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
19713 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
19715 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
19717 * Makefile.in (LANGUAGES): Omit "proto".
19718 (clean): Remove stale comment about removing unprotoize.c.
19720 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19722 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
19723 using arithmetic on void pointers.
19725 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
19727 * haifa-sched.c (compute_block_forward_dependencies): Only check
19728 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
19730 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
19732 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
19733 (expr_equiv_p): Reject memories with different alias sets.
19735 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
19737 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
19738 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
19739 (f_options): Add "bounded-pointers" and "bounds-check" entries.
19740 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
19741 (lang_init): Set default for flag_bounds_check if still "unspecified".
19743 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19745 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
19747 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19749 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
19752 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19754 * config/c4x/c4x.md (*db_noclobber,
19755 *decrement_and_branch_until_zero_noclobber): New patterns and
19756 associated splitters.
19758 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19760 * config/c4x/c4x.md (parallel instruction patterns): Rework
19761 constraints to keep reload happy.
19763 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19765 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
19766 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
19767 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
19768 Add new patterns and associated post-reload splitters.
19770 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19772 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
19774 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19776 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
19778 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
19780 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19782 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
19785 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
19787 * pa.c (move_operand): Rely on memory_address_p to determine the
19788 validity of non-indexed memory addresses.
19789 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
19790 operand in DFmode and SFmode when generating PA2.0 code.
19792 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
19794 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
19796 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
19798 * mips.c (function_prologue): Fix argument types.
19799 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
19800 (casesi_internal): Write to the scratch register.
19802 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
19804 * cppexp.c (cpp_parse_escape): Make static. Change second arg
19806 (parse_charconst): Delete unnecessary cast when calling
19808 (cpplib.h): Kill prototype of cpp_parse_escape.
19810 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
19812 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
19813 * unroll.c (unroll_loop): Cast return value of alloca.
19814 * i370/i370.c: Include function.h and toplev.h.
19815 (i370_label_scan): Remove c++ commented abort.
19816 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
19817 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
19818 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
19819 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
19821 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
19823 * config/t-freebsd: Do not override USER_H.
19824 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
19826 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
19827 Mumit Khan <khan@xraylith.wisc.edu>
19829 * c-parse.in (component_decl): Support anonymous struct/union.
19831 * c-parse.y: Regenerate.
19832 * c-parse.c: Likewise.
19833 * objc/objc-parse.y: Likewise.
19834 * objc/objc-parse.c: Likewise.
19835 * c-decl.c (finish_struct): Don't sort the fields.
19836 (field_decl_cmp): Delete unused function.
19838 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
19840 * sparc.md (movsf_const_intreg): Revert last constraint change.
19841 (movdf_const_intreg_sp32): Likewise.
19843 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
19845 * cse.c: Include hashtab.h instead of splay-tree.h
19846 (struct cse_reg_info): No longer use variant union. Add new
19847 field "regno". All references changed to avoid union.
19848 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
19849 (free_cse_reg_info): Remove.
19850 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
19851 (get_cse_reg_info): Revamp to use expandable hash tables instead
19852 of splay trees. Initialize new fields in cse_reg_info structure.
19853 (new_basic_block): Similarly.
19855 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
19857 * genrecog.c (message_with_line): Prototype.
19858 (validate_pattern): Pass along the set for the dest, not a flag.
19859 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
19860 Check for PC/CC0 as sources.
19861 (nodes_identical): Check for children position match before
19862 allowing the combination.
19864 * rtl.c (read_rtx): Track line number across \\\n.
19866 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
19868 * mips.h (SPECIAL_MODE_PREDICATES): New.
19869 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
19870 (movdi+1, movsi+1): Add output reload constraint.
19871 (casesi_internal): Likewise. Fix commentary.
19872 (return_internal): Use pmode_register_operand.
19874 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
19876 * 1750a.md (movstrqi): Add missing output reload constraint.
19877 (call_value): Likewise.
19878 * a29k.md (cpxxx patterns): Add missing match_operator mode.
19879 (jmpfdec): Add missing inout reload constraint.
19880 * elxsi.md (addsi patterns): Add missing output reload constraint.
19881 (move from sp): Use @ alternates.
19882 (call_value): No constraint on output.
19883 * fr30.md (movsi_pop): Add missing output reload constraint.
19884 (movsf_constant_store): Likewise.
19885 (splits): Remove constraints.
19886 (subsi3): Add missing mode.
19887 * i370.md (cmpstrsi+1): Add missing output reload constraint.
19888 (call_value): Likewise.
19889 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
19890 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
19891 * m32r.md (movsicc_internal): Add output reload constraint.
19892 (movstrsi_internal): Add inout reload constraints.
19893 * m88k.h (reg_names): Don't declare.
19894 (SPECIAL_MODE_PREDICATES): New.
19895 * m88k.md (*): Use register_operand not reg_or_0_operand
19897 * mn10200.h (PREDICATE_CODES): New.
19898 * ns32k.md (ffs pattern): Add output reload constraint.
19899 * pdp11.md (sob pattern): Add inout reload constraint.
19900 * sh.md (splits): Remove constraints.
19901 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
19902 * v850.md (pattern_is_ok_for_epilogue): Likewise.
19903 * vax.md (jgequ pattern): Add inout reload constraint.
19905 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
19907 * configure.in (djgpp): Revert previous patch.
19908 * configure: Rebuit.
19909 * config/i386/djgpp.h: Revert previous patch.
19911 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
19913 * fixinc/inclhack.def: Restore patch lost during last merge of
19914 "no_bogosity" branch.
19915 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19917 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
19919 * fixincludes: Add a HPUX 11 fix for inttypes.h.
19920 * fixinc/inclhack.def: Same.
19921 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
19923 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
19925 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
19926 as the base of a PLUS.
19928 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19930 * config/c4x/c4x.md: Define mode for remaining unspec operators.
19931 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
19933 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
19935 * pa.md (post_stw+1): Use pmode_register_operand.
19936 (dcacheflush, icacheflush): Likewise.
19938 * i386.md (movstricthi_1): Allow r/r.
19940 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
19942 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
19943 to (not (and (arg0) (arg1))). Similary for and.
19945 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
19946 fallthrough to associate code.
19947 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
19950 * combine.c (simplify_logical): Convert XOR to IOR if operands have
19951 no bits in common; remove XOR to ROTATE conversion.
19953 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19955 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
19957 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19959 * config/c4x/c4x.c (dst_operand): New.
19960 (PREDICATE_CODES): Update.
19961 * config/c4x/c4x.h (dst_operand): Declare it.
19962 * config/c4x/c4x.md: Define mode for each unspec usage.
19963 (move patterns): Use dst_operand predicate instead of src_operand.
19964 (movqi_update, movqf_update): Delete.
19966 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
19968 * recog.c (pmode_register_operand): New.
19969 * recog.h: Declare it.
19970 * genrecog.c (pred_codes): Likewise.
19971 (special_mode_pred_table): Likewise.
19972 (validate_pattern): Don't warn no mode for address_operand.
19974 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
19975 if the operand is not insn-like.
19977 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
19978 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
19980 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
19982 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
19984 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
19985 instead of general_operand in a SET_DEST. Use const_double_operand
19986 instead of an explicit test against CONST_DOUBLE.
19987 (movsf_const_lo): Add missing register mode.
19988 (goto_handler_and_restore): Add auxiliary test for Pmode.
19989 (flush): Adjust to use address_operand.
19990 (return_sf_no_fpu): Add missing output constraint.
19992 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
19994 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
19995 for call return value.
19996 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
19998 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
20000 * toplev.c (main): Only warn about options for other languages.
20001 * collect2.c (main): Pass -w to sub-gcc.
20003 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
20005 * flow.c (propagate_block): Add call-clobbered registers to
20008 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
20009 zapping mem_set_list.
20010 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
20011 (mark_set_1, mark_used_regs): Likewise.
20013 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
20015 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
20017 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
20019 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
20020 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
20021 options. Also add a new item "C-only Warning Options" to the
20024 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
20026 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
20027 from multiple calls.
20029 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
20031 * i386.md (call value patterns): Move to the end of the file.
20032 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
20034 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
20036 * configure.in (djgpp configuration): Define extra_objects..
20037 * configure: Rebuilt.
20038 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
20039 (DTORS_SECTION_ASM_OP): Define.
20040 (INIT_SECTION_ASM_OP): Define.
20041 (FINI_SECTION_ASM_OP): Define.
20042 (DATA_SECTION_ASM_OP): Define.
20043 (TEXT_SECTION_ASM_OP): Define.
20044 (EH_FRAME_SECTION_ASM_OP): Define.
20045 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
20046 (STARTFILE_SPEC): Add crtbegin.o.
20047 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
20048 to here from LINK_COMMAND_SPEC.
20049 (DO_GLOBAL_CTORS_BODY): Define.
20050 (CRTSTUFF_USE_FINI_SECTION): Define
20051 (HAS_INIT_SECTION): Delete.
20053 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
20055 * Makefile.in (all.cross): Depend on xcpp$(exeext).
20057 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
20059 * pa.h (PREDICATE_CODES): New.
20061 * genrecog.c (validate_pattern): Condense the destination
20062 non-lvalue message.
20064 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
20066 * alpha.md (call-1): Supply missing mode for operator.
20067 (*): Add missing output reload constraints. Remove constraints
20068 from define_splits.
20070 * i386.h (SPECIAL_MODE_PREDICATES): New.
20071 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
20072 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
20073 (addsi_lea_3): Add missing mode for op 3.
20074 (prologue_set_got, prologue_get_pc): Add missing modes.
20075 (*) Add missing output reload constraints.
20077 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
20079 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
20080 check for member bit-size overflow and use var_size if it occurs.
20081 (layout_record): Use bitsize_int() to define the type size in bits.
20082 Likewise for computation and assignment to DECL_FIELD_BITPOS.
20083 (layout_decl): Likewise when assigning to DECL_SIZE.
20085 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
20087 * genrecog.c (validate_pattern): Typo last change. Verify
20088 that output operands have output reloads.
20090 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
20092 * genrecog.c (special_mode_pred_table): New.
20093 (NUM_SPECIAL_MODE_PREDS): New.
20094 (find_operand): New.
20095 (validate_pattern): New argument `insn'. Warn for assignment to
20096 any predicate accepting non-lvalues. Conditionaly warn for
20097 match_operand without a mode. Try much harder to match source
20098 and destination modes on a set.
20099 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
20101 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
20103 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
20105 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
20107 * combine.c (simplify_logical): Recognize xor pattern that encodes
20110 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20112 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
20115 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
20117 * ggc-page.c (MAP_FAILED): Provide default.
20119 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
20121 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
20122 * sparc.h (PREDICATE_CODES): Update.
20124 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
20126 * alpha.c (some_ni_operand): New.
20127 * alpha-protos.h: Declare it.
20128 * alpha.h (PREDICATE_CODES): Update.
20129 * alpha.md (sXaddq reload insns): Use some_ni_operand
20130 for SET_DEST instead of some_operand.
20132 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
20133 Jim Wilson <wilson@cygnus.com>
20135 * genrecog.c (maybe_both_true_2): Don't compare modes of
20137 (process_tree): Elide peephole2_insns. Invoke simplify_tests
20138 after find_afterward.
20139 (debug_decision_1): Dump next and afterward codes.
20141 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
20143 * rtl.c (dump_and_abort): Remove.
20144 (fatal_with_file_and_line): New.
20145 (fatal_expected_char): New.
20146 (read_rtx_lineno, read_rtx_filename): New.
20147 (read_skip_spaces): Track line number.
20148 (read_name): Use fatal_with_file_and_line.
20149 (read_rtx): Use fatal_expected_char. Track line number.
20150 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
20152 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
20153 if it isn't a CODE_LABEL.
20155 * genattr.c (main): Set read_rtx_filename.
20156 * genattrtab.c (main): Likewise.
20157 * gencodes.c (main): Likewise.
20158 * genconfig.c (main): Likewise.
20159 * genemit.c (main): Likewise.
20160 * genextract.c (main): Likewise.
20161 * genflags.c (main): Likewise.
20162 * genopinit.c (main): Likewise.
20163 * genoutput.c (main): Likewise.
20164 * genpeep.c (main): Likewise.
20166 * genrecog.c (decision_test.u.insn): Add `lineno'.
20167 (pattern_lineno, error_count): New variables.
20168 (message_with_line): New.
20169 (add_to_sequence): Break out checking code to ...
20170 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
20171 (merge_insn): Use message_with_line.
20172 (make_insn_sequence): Use validate_pattern. Record insn lineno.
20173 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
20175 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20177 * expr.c (store_constructor): Clear union if constructor is empty.
20179 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
20181 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
20182 Add !endian checks. Change %{...} to %(...).
20184 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
20186 * i386.md (*addsi3_cc): Renamed from addcsi3.
20187 (*addsi3_carry): Renamed from addxsi3.
20188 (*subsi3_cc): Renamed from subcsi3.
20189 (*subsi3_carry): Renamed from subxsi3.
20190 (*xorqi_cc_1): Renamed from xorcqi_1.
20191 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
20192 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
20194 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
20196 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
20197 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
20199 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
20201 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
20202 climb up the chain of insns.
20204 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
20206 * genrecog.c (write_subroutine): Careful for null trees.
20207 (process_tree): Don't elide empty functions.
20209 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
20211 * Makefile.in (genrtl.o): Depend on ggc.h.
20212 * configure.in (valloc): Probe for it.
20213 (with-gc): Use ggc-page if valloc present.
20214 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
20215 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
20216 (ggc_alloc_string): Moved from ggc-page.c.
20217 * ggc-none.c (ggc_alloc_obj): New.
20218 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
20219 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
20220 (struct globals): Likewise for dev_zero_fd.
20221 (init_ggc): Likewise for it's initialization.
20222 (ggc_allocated_p): Move careful dereference from ...
20223 (ggc_lookup_page_table): ... here. Delete.
20224 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
20225 (alloc_anon): Use valloc if no mmap.
20226 (release_pages): Use free if using valloc.
20227 (ggc_alloc_obj): Renamed from alloc_obj.
20228 (ggc_set_mark): Renamed from mark_obj.
20229 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
20230 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
20231 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
20232 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
20233 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
20234 (ggc_collect): Use fp printing instead of our own rounding.
20235 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
20236 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
20237 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
20238 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
20239 (struct ggc_string, struct ggc_any): Delete.
20240 (offsetof): Provide default definition.
20241 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
20243 (struct ggc_mem): New, from corpse of ggc_any.
20244 (struct ggc_status): Delete.
20245 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
20246 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
20247 (n_strings_collected, n_anys_collected): Delete.
20248 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
20249 (ggc_alloc_string, ggc_alloc): Delete.
20250 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
20251 (ggc_free_string, ggc_free_any): Delete.
20252 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
20253 (ggc_compare_addresses, ggc_mark_string): Delete.
20254 (ggc_mark_string_if_gcable, ggc_mark): Delete.
20255 (search_data): Delete.
20256 (struct globals): New.
20257 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
20258 (tree_insert, tree_lookup): New.
20259 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
20260 (clear_marks, sweep_objs): New.
20261 (ggc_collect): Gut. Use clear_marks, sweep_objs.
20262 (init_ggc): Set allocated_last_gc.
20263 (ggc_push_context): Gut. Use G.context.
20264 (ggc_pop_context): Likewise.
20265 (ggc_pop_context_1): New.
20266 (debug_ggc_tree): New.
20267 (debug_ggc_balance, tally_leaves): New.
20268 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
20269 (ggc_mark_string_if_gcable): Remove decl.
20270 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
20271 (ggc_mark_rtvec_children): New.
20272 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
20273 (ggc_mark_if_gcable): New decl.
20274 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
20275 (ggc_alloc_tree, ggc_alloc): Likewise.
20276 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
20277 (ggc_alloc_obj): New decl.
20278 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
20279 (ggc_alloc_tree, ggc_alloc): Likewise.
20280 (ggc_set_mark): New decl.
20281 * rtl.h (struct rtx_def): Remove gc_mark.
20282 (struct rtvec_def): Likewise.
20283 * tree.h (struct tree_common): Likewise.
20285 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
20287 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
20288 float_format and thread_file definitions.
20289 * configure: Rebuilt.
20291 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
20293 * extend.texi (Function Names): Document types of function names.
20295 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20297 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
20298 an earlyclobbered output conflict with RELOAD_INPUT reloads.
20300 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20302 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
20304 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20306 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
20308 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
20310 * collect2.c (main): Do prelimnary link on AIX if rflag.
20312 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20314 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
20315 __CTOR_LIST__ in opposite order, which is the correct order for sorted
20317 (__do_global_dtors): similarly for __DTOR_LIST__.
20319 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20320 Diego Novillo <dnovillo@cygnus.com>
20322 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
20325 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
20327 * fixincl/*: Merged "no_bogosity" branch
20328 * fixincl/fixlib.h: protect against doubly defining t_bool
20329 * fixincl/server.h: protect against doubly defining t_bool
20331 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
20333 * genoutput.c: Include toplev.h.
20335 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
20337 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
20339 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
20340 * configure: Regenerate.
20342 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20344 * gcse.c (delete_null_pointer_checks): Returns void.
20346 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20348 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
20349 * emit-rtl.c (copy_insn_1): Likewise.
20351 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20353 * config/mips/mips.c (mips_build_va_list): Correct
20354 TREE_CHAIN setting when hard-float.
20355 (mips_va_start): Use corrected setting.
20356 (mips_va_arg): Likewise. Also pass a tree to build of
20357 POSTINCREMENT_EXPR rather than a naked 'int'.
20359 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
20361 * ggc.h (ggc_push_context): Fix comment.
20362 (ggc_pop_context): Likewise.
20363 (mark_string_if_gcable): Likewise.
20364 * ggc-common.c (ggc_mark_rtx_children): Use
20365 ggc_mark_string_if_gcable.
20366 * ggc-page.c (ggc_lookup_page_table): New function.
20367 (ggc_allocated_p): Likewise.
20368 (mark_obj): Fix formatting.
20369 (ggc_mark_string_if_gcable): New function.
20370 * ggc-simple.c (ggc_allocated_strings): New variable.
20371 (ggc_strings_used): Likewise.
20372 (ggc_compare_addresses): New function.
20373 (ggc_pop_context): Pop the `any' memory too.
20374 (ggc_mark_string_if_gcable): New function.
20375 (ggc_collect): Initialize and tear down ggc_allocated_strings.
20377 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
20379 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
20380 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
20381 * rs6000.c (expand_block_move): Match movstrsi_?reg register
20384 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
20386 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
20387 (sched_reg_live_length, sched_reg_basic_block): Delete.
20388 (current_block_num, bb_live_regs, old_live_regs): Delete.
20389 (dead_notes, struct sometimes): Delete.
20390 (sched_note_set, birthing_insn_p): Delete.
20391 (adjust_priority): Gut useless reg lifetime code.
20392 (create_reg_dead_note, attach_deaths): Delete.
20393 (attach_deaths_insn, new_sometimes_live): Delete.
20394 (finish_sometimes_live): Delete.
20395 (find_pre_sched_live, find_post_sched_live): Delete.
20396 (update_reg_usage): Delete.
20397 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
20398 (schedule_insns): Delete reg lifetime code.
20399 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
20400 (unlink_other_notes): Adjust REG_NOTE commentary.
20401 (reemit_notes): Use REG_SAVE_NOTE.
20402 (schedule_block): Likewise.
20403 (schedule_region): Allocate bitmap of blocks in region. Use
20404 count_or_remove_death_notes. Use update_life_info.
20406 * rtl.h (REG_SAVE_NOTE): New.
20407 * rtl.c (reg_note_name): Update.
20409 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
20411 * combine.c (refresh_blocks, need_refresh): New.
20412 (combine_instructions): Allocate refresh_blocks. Invoke
20413 update_life_info if needed.
20414 (distribute_notes): Mark refresh_blocks instead of installing
20416 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
20417 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
20419 * Makefile.in (recog.o): Depend on basic-block.h.
20421 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
20423 * genrecog.c (add_to_sequence): Thinko last change: delete
20424 shadowing allow_const_int variable.
20426 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20428 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
20429 __GNUC__ and __GNUC_MINOR__.
20431 * gansidecl.h: Likewise.
20437 * toplev.h: Likewise.
20439 * tree.c: Likewise.
20441 * tree.h: Likewise.
20443 * varray.c: Likewise.
20445 * varray.h: Likewise.
20447 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20449 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
20450 use one before a jump table.
20452 * rtl.def (ADDRESS): Change documentation to match reality.
20453 * md.texi: Don't document it.
20454 * gmicro.md (load address pattern): Use 'p' constraint, delete use
20457 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
20459 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
20461 * genrecog.c (add_to_sequence): Move allow_const_int test outside
20462 known predicate block; default allow_const_int true.
20463 (debug_decision_list): New.
20465 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
20467 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
20469 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
20471 * gcse.c (gcse_main): Avoid global optimizations if we have a
20472 large number of basic blocks and the ratio of edges to blocks
20474 (delete_null_pointer_checks): Likewise.
20476 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
20478 * c-common.c (check_format_info): Warn if format string isn't a
20481 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
20483 * configure.in (arm*-*-*): Don't let autoconf remove brackets
20484 * configure: regenerate
20486 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
20488 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
20489 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
20490 (peepholes): Re-enable.
20492 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
20494 * Makefile.in (flow.o): Depend on TREE_H.
20495 * basic-block.h (REG_SET_EQUAL_P): New.
20496 (XOR_REG_SET): New.
20497 (n_edges): Declare.
20498 (free_regset_vector): Remove declaration.
20499 (flow_delete_insn_chain): Declare.
20500 (enum update_life_extent): New.
20501 (update_life_info, count_or_remove_death_notes): Declare.
20502 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
20503 Verify register live at bb->global_live_at_start before adding USE.
20504 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
20505 (CLEAN_ALLOCA): New.
20507 (PROP_*): New flags.
20508 (find_basic_blocks_1): Use alloc_EXPR_LIST.
20509 (clear_edges): Zero n_edges.
20510 (make_edge): Increment n_edges.
20511 (split_edge): Don't allocate bb->local_set. Increment n_edges.
20512 (flow_delete_insn_chain): Export.
20513 (delete_block): Decrement n_edges.
20514 (merge_blocks_nomove): Likewise.
20515 (life_analysis): Give life_analysis_1 PROP flags.
20516 (verify_wide_reg_1, verify_wide_reg): New.
20517 (verify_local_live_at_start): New.
20518 (update_life_info): Rewrite to call into propogate_block.
20520 (mark_regs_live_at_end): After reload, if epilogue as rtl,
20521 always mark stack pointer. Conditionally mark PIC register.
20522 After reload, mark call-saved registers, return regsiters.
20523 (life_analysis_1): Accept PROP flags not remove_dead_code.
20524 Call mark_regs_live_at_end before zeroing regs_ever_live.
20525 Use calculate_global_regs_live. Copy global_live_at_end before
20526 calling final propagate_block. Zero reg_next_use on exit.
20527 (calculate_global_regs_live): New.
20528 (allocate_bb_life_data): Don't allocate bb->local_set.
20529 (init_regset_vector, free_regset_vector): Remove.
20530 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
20531 Test flags before every operation. Warn if prologue/epilogue insn
20532 would have been deleted.
20533 (mark_set_regs, mark_set_1): Accept and use FLAGS.
20534 Use alloc_EXPR_LIST.
20535 (mark_used_regs): Accept and use FLAGS, not FINAL.
20536 Remove special handling for RETURN.
20537 (try_pre_increment): Use alloc_EXPR_LIST.
20538 (dump_flow_info): Dump n_edges.
20539 (unlink_insn_chain, split_hard_reg_notes): Remove.
20540 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
20541 (find_insn_with_note, new_insn_dead_notes): Remove.
20542 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
20543 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
20544 (replace_insns): Remove.
20545 (count_or_remove_death_notes): New.
20546 (verify_flow_info): Abort on error after all checks.
20547 (remove_edge): Decrement n_edges.
20548 (remove_fake_edges): Tweak format.
20549 * haifa-sched.c (schedule_insns): Use split_all_insns.
20550 * output.h (update_life_info): Remove declaration.
20551 * recog.c (split_all_insns): From the corpse of split_block_insns,
20552 do the whole function block by block. Use update_life_info.
20553 (recog_last_allowed_insn): New.
20554 (recog_next_insn): Mind it.
20555 (peephole2_optimize): Set it. Walk backwards through blocks.
20556 Use update_life_info.
20557 * rtl.h (update_flow_info, replace_insns): Remove declarations.
20558 (split_all_insns): Declare.
20559 * toplev.c (rest_of_compilation): Thread prologue before flow2.
20560 Use split_all_insns.
20562 * i386.md (or -1 peep2s): Disable.
20564 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
20566 * config/mips/mips.md (movstrsi+[123]) : Combine these into
20567 a single pattern. Scrap the 'd' versions as unnecessary.
20569 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
20570 tablejump_mips162,tablejump_internal4): The operands to a
20571 label_ref must be VOIDmode.
20573 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20575 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
20577 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20579 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
20581 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
20583 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
20584 cache every function if ggc_p.
20586 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20588 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
20589 instead of copy_rtx. Accept sequences that contain asm statements.
20590 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
20591 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
20592 orig_asm_operands_vector, copy_asm_operands_vector,
20593 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
20595 * rtl.h (copy_insn, copy_insn_1): Declare.
20597 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20599 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
20601 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
20602 arguments to `current_file_function_operand'.
20604 * genrecog.c: Include hard-reg-set.h and resource.h in the
20605 generated output file.
20607 * real.c: Include tm_p.h.
20609 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20611 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
20614 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
20616 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
20617 before the fctiwz insn.
20619 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20620 Mark Mitchell <mark@codesourcery.com>
20622 * tree.c (make_lang_type_fn): New funtion pointer.
20623 (make_lang_type): Call it.
20624 * tree.h (make_lang_type): Declare.
20625 (make_lang_type_fn): Likewise.
20626 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
20628 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
20630 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
20631 make sure that HIGH instructions are copied into BASE_REGS.
20633 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
20635 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
20637 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
20639 * c-decl.c (finish_struct): Use simpler method of
20640 removing elements of a singly-linked list.
20642 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
20644 * alpha.md (peephole2's): Comment out peephole2's that generate
20647 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
20649 * genrecog.c (add_to_sequence): Disable mode check for
20652 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20654 * ggc-simple.c (init_ggc): Set empty_string.
20656 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
20658 * configure.in: Detect mmap. Add --with-gc=foo to select
20659 garbage collector; default to page if mmap available.
20660 * Makefile.in (GGC): Substitute.
20662 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
20664 * c-decl.c (ggc_p): Enable.
20666 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20668 * flow.c (verify_flow_info): Make it extern & unconditionally define.
20670 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
20672 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
20673 string for little-endian-data.
20675 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
20677 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
20678 case somebody tries to compile --enable-checking code with gcc
20681 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
20683 * genrecog.c (add_to_sequence): Verify operand to label_ref is
20686 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
20688 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
20689 * jump.c (jump_optimize_1): Document why.
20691 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20693 * collect2.c (scan_prog_file, scan_libraries): Prototype function
20694 pointers and casts for `int_handler' and `quit_handler'.
20696 * flow.c (verify_flow_info, split_hard_reg_notes,
20697 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
20698 remove_edge, remove_fake_successors): Add static prototypes.
20699 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
20700 (mark_set_1): Initialize variable `regno'.
20701 (unlink_insn_chain): Likewise for variable `curr'.
20702 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
20704 * loop.c (strength_reduce): Initialize variable
20705 `unrolled_insn_copies'.
20706 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
20707 prototypes. Change these functions to take const PTR parameters
20708 to avoid prototype conflict when used as the comparson argument
20710 (check_dbra_loop): Initialize variable `comparison_val'.
20712 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
20713 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
20714 (find_valid_class): Initialize variable `best_class'.
20715 (find_reloads): Call memcpy, not bcopy.
20717 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
20718 (hard_reg_use_compare): Don't needlessly cast away const.
20719 (reload_reg_class_lower): Likewise.
20720 (choose_reload_regs): Initialize variable `regno'.
20722 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
20724 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
20726 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
20728 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
20729 ({,d}discard): Add forward declarations. Declare parameter as
20731 (main_without_main): Explicitly declare return type to be int.
20732 (memcpy): Properly declare.
20734 * libgcc2.c (toplevel): If inhibit_libc is defined and not
20735 building the trampoline support, declare malloc, free, and
20737 (__clear_cache): Mark arguments as potentially unused.
20739 * frame.c (toplevel): If inhibit_libc is defined, declare
20742 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
20744 * flow.c (make_edge): Accept an optional 2D bitmap in which
20745 to cache edge existence. Update all callers.
20746 (make_label_edge, make_eh_edge): Pass through the edge cache.
20747 (make_edges): Provide the cache.
20749 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20751 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
20753 (local_mbtowc): Change the type of variable `i' from int to size_t.
20755 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
20756 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
20758 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
20760 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
20761 after other includes that define the appropriate types. Include
20762 tm_p.h for getting user prototypes.
20763 * ggc-callbacks.c (toplevel): Ditto.
20764 * ggc-none.c (toplevel): Ditto.
20765 * gcc-page.c (toplevel): Ditto.
20766 * ggc-simple.c (toplevel): Ditto.
20768 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
20769 Jonathan Larmour <jlarmour@cygnus.co.uk>
20771 * config/mips/mips.c (mips_move_2words): Split doubles if
20772 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
20774 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
20776 * genrecog.c (struct decision_test): New.
20777 (struct decision): Remove test-related members, sort the rest by size.
20778 (IS_SPLIT): Simplify.
20779 (new_decision, new_decision_test): New.
20780 (add_to_sequence): Use them. No special handling for args of
20782 (maybe_both_true): Renamed from not_both_true; return sense changed.
20783 (maybe_both_true_1, maybe_both_true_2): New. Broken out
20784 of maybe_both_true and adjusted for decision_test.
20785 (position_merit): Remove.
20786 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
20787 (merge_accept_insn): New, broken out of merge_trees.
20788 (merge_trees): Use them. No special case for c_test; no node
20789 splitting; use test type instead of position_merit.
20790 (factor_tests): New.
20791 (simplify_tests): New.
20792 (break_out_subroutines): Don't write code now.
20793 (find_afterward): New.
20794 (write_afterward, write_switch, write_cond): New.
20795 (write_action, is_unconditional): New.
20796 (write_node): New. Use them.
20797 (write_tree_1): Rewrite. Use the new functions above.
20798 (write_tree): Remove afterward processing.
20799 (write_subroutine): Simplify function variant emission.
20800 (write_subroutines): New.
20801 (same_codes, clear_codes): Remove.
20802 (same_modes, clear_modes): Remove.
20803 (write_header): New, broken out of main.
20804 (make_insn_sequence): Use new_decision and new_decision_test.
20805 (process_tree): New, broken out of main.
20806 (main): Adjust for merge_trees interface change.
20807 Don't #define operands in the output file.
20808 (record_insn_name): New, broken out of make_insn_sequence.
20809 (debug_decision_2, debug_decision_1, debug_decision_0): New.
20810 (debug_decision): New.
20812 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
20814 * resource.c (find_free_register): Mark class_str argument const.
20815 * resource.h: Update prototype to match.
20817 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
20818 * i386.md: Give all anonymous insns names.
20820 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
20822 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
20825 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
20827 * toplev.c (dbr_sched_time): Unconditional.
20828 (peephole2_time): New.
20829 (compile_file): Add pass numbers to all of the dump file suffixes.
20830 Dump peephole2_time. Don't dump times for non-applicable passes.
20831 (rest_of_compilation): Add pass numbers to dump file suffixes.
20832 Conditionalize calls to the scheduler.
20833 * invoke.texi: Update.
20835 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
20837 * flow.c (make_edges): Fix insn iteration.
20838 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
20839 (find_basic_blocks_1): Fix spelling mistake.
20841 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
20843 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
20844 always have side-effects. Use memset not bzero.
20845 (make_node): Likewise.
20847 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
20849 * stmt.c (expand_anon_union_decl): When any of the elements of the
20850 union is addressable, so is the entire union.
20852 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
20854 * sbitmap.c (sbitmap_ones): Don't set too many bits.
20856 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
20857 * bitmap.c (bitmap_operation): Return true iff TO changed.
20858 (bitmap_equal_p): New.
20859 (bitmap_bit_p): Tidy arithmetic.
20860 (debug_bitmap_file): Likewise.
20862 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
20864 * toplev.c (rest_of_compilation): Turn on cse_not_expected
20865 before cse2 instead of after.
20867 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
20869 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
20872 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20874 * cppinit.c (is_idchar initializer): Loosen tests to accept
20877 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
20879 * mips.md: Define conditional move patterns for floating point
20880 operands and DI mode conditions.
20882 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
20884 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
20885 always have side-effects.
20887 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
20889 * mn10200.c (asm_file_start): Fix typo.
20891 * cppinit.c (is_idchar initializer): Tighten tests for when
20892 to put the table into initialized memory.
20894 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
20895 not an array of rtunion.
20896 * gcc-page.c (ggc_alloc_rtvec): Similarly.
20897 * gcc-simple (ggc_free_rtvec): Similarly.
20899 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
20902 * mbchar.h: Add missing #endif.
20904 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
20905 (FPBIT, DPBIT): Define.
20907 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20909 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
20911 * profile.c (instrument_arcs, output_gcov_string,
20912 tablejump_entry_p): Add static prototypes.
20913 (output_gcov_string): Constify a char*.
20915 * regmove.c (replacement_quality, fixup_match_2): Add static
20918 * resource.h (reg_dead_p): Add extern prototype.
20920 * rtl.c (trim_filename): Add static prototype.
20922 * scan-decls.c (skip_to_closing_brace): Likewise.
20924 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
20925 (expand_end_case): Initialize variable `range'.
20926 (emit_case_nodes): Remove unused prototype `rtx_fn'.
20928 * varasm.c (asm_emit_uninitialised): Add static prototype.
20929 (asm_emit_uninitialised, assemble_variable): Mark parameter with
20932 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20934 * cpplib.c (if_directive_nameo): Add static prototype.
20936 * cse.c (cse_insn): Remove unused variable `p'.
20938 * except.c (create_rethrow_ref, push_entry,
20939 receive_exception_label, new_eh_region_entry, find_func_region,
20940 clear_function_eh_region, process_nestinfo): Add static prototypes.
20941 (get_reg_for_handler): Hide definition.
20942 (process_nestinfo): Initialize variable `extra_handlers'.
20944 * expr.h (expand_builtin_longjmp): Add extern prototype.
20946 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
20948 * function.c (prepare_function_start): Likewise.
20949 (pop_function_context_from): Mark parameter `context' with
20951 (push_temp_slots_for_block, flush_addressof): Hide definition.
20953 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
20954 solve_program_flow_graph, calculate_branch_probs,
20955 function_summary, main, fancy_abort): Add prototypes.
20957 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
20958 (add_hash): Constify a char*.
20960 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
20961 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
20962 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
20964 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
20966 * lists.c (free_list, zap_lists): Likewise.
20968 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20970 * alias.c (nonlocal_reference_p): Add static prototype.
20972 * bitmap.c (bitmap_element_allocate): Prototype args in function
20975 * builtins.c (stabilize_va_list): Add static prototype.
20976 (expand_builtin_va_arg): Constify a char*.
20978 * c-lex.c (getch, put_back, extend_token_buffer_to,
20979 read_line_number, token_getch, token_put_back): Add static
20982 * c-parse.gperf (hash, is_reserved_word): Likewise.
20984 * cccp.c (is_dir_separator): Likewise.
20986 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20988 * graph.h: New file to prototype functions exported by graph.c.
20990 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
20992 * graph.c: Include graph.h.
20994 * toplev.c: Likewise. Remove redundant prototypes.
20996 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
20998 * invoke.texi: Removed duplicated description for -Q.
21000 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
21002 * extend.texi: Grammar fix in __extension__ text.
21004 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
21006 * md.texi (define_peephole2): New section.
21008 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
21010 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
21011 (mov $-1 to or peepholer): Enable for pentium when optimizing for
21014 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
21016 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
21018 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
21020 * i386.md (ffs expander): Emit Pentium friendly code for
21023 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
21025 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
21027 (build1): Likewise.
21029 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21031 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
21033 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
21035 * config/m68k/m68k.c (use_return_insn): Return false if the pic
21036 register is in use.
21038 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21040 * md.texi (No Constraints): Delete section.
21041 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
21042 * final.c (final_scan_insn): We always have register constraints.
21043 * genattrtab.c: Don't include "insn-config.h".
21044 (write_attr_case): We always have register constraints.
21045 * genconfig.c (register_constraint_flag): Delete.
21046 (walk_insn_part): Don't check whether we have register constraints.
21047 (main): Don't write out "#define REGISTER_CONSTRAINTS".
21048 * genoutput.c (have_constraints): Delete.
21049 (main): Don't set it.
21050 (output_operand_data): We always have constraints.
21051 (scan_operands): Likewise.
21052 (compare_operands): Likewise.
21053 * local-alloc.c (block_alloc): We always have constraints.
21054 (requires_inout): Always compile this function.
21055 * recog.c (extract_insn): We always have constraints.
21056 (constrain_operands, reg_fits_class_p): Always compile these
21058 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
21060 (struct insn_operand_data): Likewise.
21061 * regclass.c (regclass): We always have constraints.
21062 (record_reg_classes, copy_cost, record_address_regs,
21063 auto_inc_dec_reg_p): Always compile these functions.
21064 * regmove.c (regmove_optimize): We always have constraints.
21065 * reload.c (find_reloads): Likewise.
21066 * reload1.c (reload): Likewise.
21067 (reload_cse_simplify_operands): Likewise.
21068 * i860.c (output_delay_insn): Likewise.
21070 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
21072 * iris6.h (BUILD_VA_LIST_TYPE): Define.
21074 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21076 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
21077 for the va_list record.
21079 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
21081 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
21084 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
21086 * alias.c: Include insn-flags.h.
21087 * Makefile.in (alias.o): Update.
21089 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
21091 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
21092 to LTU and GEU. Handle more cases using sbb.
21094 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
21096 * i386.md (truncatexfdf splitters): Do not use subreg.
21097 (fop XFmode patterns): Fix mode in operand testing.
21099 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
21101 * jump.c (jump_optimize_1): Amend last change to test only the
21102 form of the operand, not the insn.
21104 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
21105 not register_operand to determine when B may need preloading.
21107 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
21109 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
21110 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
21111 (call-value patterns): Move to end of file.
21112 (*): Remove mode from label_ref in (pc) context.
21113 (movstrqi): Use memory not general_operand for BLKmode operands.
21114 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
21115 to register_operand operands.
21116 (peep2 patterns): Convert from commented-out peephole patterns.
21118 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21120 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
21121 to BUILT_IN_INIT_DWARF_REG_SIZES.
21122 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
21123 Renamed from BUILT_IN_DWARF_REG_SIZE; call
21124 expand_builtin_init_dwarf_reg_sizes.
21125 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
21126 with __builtin_init_dwarf_reg_size_table.
21127 * dwarf2out.c (struct reg_size_range): Delete.
21128 (expand_builtin_init_dwarf_reg_sizes): New function.
21129 (expand_builtin_dwarf_reg_size): Delete.
21130 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
21131 (expand_builtin_dwarf_reg_size): Don't declare.
21132 * libgcc2.c (dwarf_reg_size_table_initialized): New.
21133 (dwarf_reg_size_table): New.
21134 (init_reg_size_table): New function.
21135 (copy_reg): Use dwarf_reg_size_table.
21136 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
21139 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
21141 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
21142 Correctly build argument list to constructor and destructor functions.
21144 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
21146 * c-tree.h (warn_float_equal): Declare.
21147 * c-decl.c (warn_float_equal): Define.
21148 (c_decode_option): Recognize -W[no-]float-equal.
21149 * c-typeck.c (build_binary_op): Conditionally warn
21150 about equality tests of floating point types.
21151 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
21152 * invoke.texi: Add docs for -Wfloat-equal warning.
21154 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
21156 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
21157 generating RTL directly.
21158 * mips.h (INIT_TARGET_OPTABS): Likewise.
21159 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
21161 * expr.h (init_mov_optab): Delete declaration
21163 * h8300.c (WORD_REG_USED): Update to avoid useless register
21164 saves in interrupt functions and functions which never return.
21166 * cse.c (struct set): Delete inner_dest_loc field.
21167 (cse_insn): Remove assignments to inner_dest_loc field.
21169 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
21171 * ggc-page.c: Don't include <unistd.h> etc taken care of
21172 by "system.h". Include <sys/mman.h> afterward.
21174 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
21176 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
21179 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
21181 * xcoffout.c (xcoffout_declare_function): Add documentation.
21182 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
21183 TARGET_64BIT. Compare constant to -1, not bit pattern.
21184 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
21185 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
21188 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
21190 * dwarf2out.c (add_abstract_origin_attribute): Abort if
21191 origin_die is NULL.
21192 (gen_inlined_enumeration_type_die): Do not abort if the type has
21193 not been writeen out.
21194 (gen_inlined_structure_type_die): Do not abort if the type has
21195 not been writeen out.
21196 (gen_inlined_union_type_die): Do not abort if the type has
21197 not been writeen out.
21198 (gen_tagged_type_instantiation_die): Do not abort if the type
21199 has not been written out.
21201 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21203 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
21205 * reg-stack.c (straighten_stack): Copy hard reg set with
21208 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
21210 * builtins.c (stabilize_va_list): Stabilize array type va_list
21211 to a pointer type, not the base record type.
21212 (expand_builtin_va_copy): Dereference the pointers explicitly;
21213 use the correct size for the copy.
21215 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
21216 (rs6000_va_arg): Likewise.
21218 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
21220 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
21222 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
21224 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
21226 (DECL_BUILT_IN_CLASS): Adjust accordingly.
21228 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
21230 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
21231 (init_ggc): Use it instead of a constant.
21232 (ggc_collect): Bound allocated_last_gc by it.
21234 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
21236 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
21239 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
21241 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
21242 (mips*-*-openbsd*): Let big endian configuration be a fragment.
21243 * configure: Regen.
21244 * config/mips/openbsd.h: New, OpenBSD little endian target.
21245 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
21246 * config/mips/xm-openbsd.h: New, OpenBSD host.
21248 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
21250 * config/m68k/m68k.c (output_function_prologue,
21251 output_function_epilogue): Use
21252 current_function_uses_pic_offset_table instead of regs_ever_live
21253 to decide whether to save/restore pic register.
21254 (legitimize_pic_address): Don't modify regs_ever_live any more.
21256 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
21258 * function.h (struct function): Add x_dont_save_pending_sizes_p.
21259 * stor-layout.c (variable_size): Don't add sizes to the pending
21260 sizes list if x_dont_save_pending_sizes_p is set.
21262 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
21264 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
21265 for symbolic_operand().
21266 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
21268 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21270 * combine.c (gen_rtx_combine): Add missing call to va_end().
21272 * final.c (asm_fprintf): Likewise.
21274 * genattrtab.c (attr_rtx): Likewise.
21276 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
21278 * cse.c: Update comments.
21279 (cse_insn): When converting a conditional/computed jump into
21280 an unconditional jump, always make sure a BARRIER immediately
21281 follows the converted jump. Do not delete unreachable code.
21282 (cse_basic_block): Do not delete unreachable code.
21283 * toplev.c (rest_of_compilation): Move call to
21284 delete_trivially_dead_insns after the conditional call to
21287 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21289 * collect2.c (make_temp_file): Don't prototype.
21291 * gcc.c (make_temp_file): Likewise.
21293 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
21295 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
21297 * varasm.c (asm_emit_uninitialised): New function: Generate
21298 the assembler statements necessary to declare an uninitialised
21300 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
21302 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
21303 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
21305 (assemble_variable): Use asm_emit_uninitialised to emit an
21306 uninitialised variable.
21308 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
21310 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
21311 constant on a 64 bit host. Patch supplied by Geoffrey Keating
21312 <geoffk@cygnus.com>.
21314 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21316 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
21317 * c-common.h (builtin_function): Don't declare.
21319 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
21321 (pushdecl): Likewise.
21322 (finish_decl): Likewise.
21323 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
21324 int. All callers changed.
21325 Set the builtin's DECL_BUILT_IN_CLASS.
21326 * tree.h (enum built_in_class): New.
21327 (enum built_in_function): Delete NOT_BUILT_IN.
21328 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
21330 (DECL_SET_FUNCTION_CODE): Likewise.
21331 (DECL_BUILT_IN_CLASS): New macro.
21332 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
21333 (struct tree_decl): Split builtin function code field into a
21335 (builtin_function): Declare.
21337 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
21339 * optabs.c (init_traps): Fix typo in last change.
21341 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
21343 * toplev.c (rest_of_decl_compilation): Update comment.
21345 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
21347 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
21348 in .sbss if appropriate.
21349 (EXTRA_SECTION_FUNCTIONS): Add sbss.
21350 (SBSS_SECTION_ASM_OP): New macro.
21351 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
21352 (EXTRA_SECTIONS): Add in_sbss.
21353 * config/mips/mips.h: Prototype sbss_section.
21355 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
21357 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
21360 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
21362 * optabs.c (init_traps): Register trap_rtx as a GC root.
21364 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21366 * config/mips/mips.c (function_arg_pass_by_reference): Define
21367 unconditionally, since it's called unconditionally.
21369 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
21371 * toplev.c (documented_lang_options): Add -fshort-wchar.
21372 * c-decl.c (c_decode_option): Likewise.
21373 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
21375 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
21376 * gcc.c (default_compilers): If -fshort-wchar,
21377 override __WCHAR_TYPE__.
21378 * tm.texi (C Dialect Options): Add -fshort-wchar.
21380 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
21381 symbol for a variable.
21383 * cpplib.h (CPP_PREPROCESSED): New macro.
21384 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
21385 we're seeing this input for a second time.
21387 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
21389 * emit-rtl.c (init_emit_once): Initialize modes first.
21391 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
21393 * config/i386/i386.c (pic_label_name): Change to char pointer.
21394 (global_offset_table): New variable.
21395 (load_pic_register): Fill global_offset_table if it hasn't
21396 already been done. Allocate pic_label_name dynamically.
21397 * ggc.h (empty_string): New variable.
21398 * ggc-simple.c (empty_string): Likewise.
21399 (init_ggc): Allocate empty_string and add as root.
21400 * stmt.c (digit_strings): New variable.
21401 (init_stmt): Add last_block_end_note as root. Allocate and
21402 initialize digit_strings.
21403 (expand_asm_operands): Use empty_string instead of string
21404 constant. Use digit_strings instead of string constants.
21405 * profile.c (init_arc_profiler): Allocate string with
21406 ggc_alloc_string instead of xmalloc.
21407 (output_func_start_profiler): Likewise.
21408 * c-typeck.c (digest_init): Check if init is error_mark_node.
21410 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
21411 Richard Henderson <rth@cygnus.com>
21413 * ggc-page.c: New file.
21414 * Makefile.in (ggc-page.o): New.
21416 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
21418 * invoke.texi: Document -fdelete-null-pointer-checks
21419 * toplev.c (flag_delete_null_pointer_checks): New.
21420 (f_options): Add entry for -fdelete-null-pointer-checks.
21421 (rest_of_compilation): Conditionalize null pointer check
21422 elimination on flag_delete_null_pointer_checks.
21423 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
21425 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
21427 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
21428 copyright notice and special exception to GPL.
21430 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21432 * abi64.h (mips_function_value): Add prototype arguments.
21434 * mips-protos.h: New file with mips prototypes.
21436 * mips.c: Include "tm_p.h".
21437 (mktemp, lookup_name): Add prototype arguments.
21438 (extern_list, string_constant, mips_fill_delay_slot,
21439 mips_output_external, mips_output_external_libcall,
21440 mips_output_filename, mips_declare_object, function_prologue,
21441 mips_expand_prologue, function_epilogue, mips16_constant,
21442 build_mips16_function_stub, mips_output_conditional_branch):
21444 (mips_va_start): Remove unused variable `u'.
21445 (mips_va_arg): Cast value to unsigned when comparing against one.
21447 (save_restore_insns, mips_expand_prologue): Add missing arg in
21448 call to `large_int'.
21450 * mips.h: Move prototypes to mips-protos.h.
21451 (data_section, memory_address_p, rdata_section,
21452 readonly_data_section, simple_epilogue_p, text_section): Delete
21453 prototypes delcared elsewhere.
21454 (mips_epilogue_delay_slots, print_options): Delete unused decls.
21456 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
21458 * mips.md: Delete extra args in call to `mips_move_2words'.
21460 * xm-iris6.h (alloca): Add prototype argument.
21462 * genpeep.c: Include "tm_p.h" in generated output file.
21464 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21466 * basic-block.h (find_edge_index): Change parameters.
21467 * flow.c (verify_edge_list): Pass basic_block parameters to
21468 find_edge_index instead of integers.
21470 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
21472 * combine.c (simplify_comparison): Use an unsigned shift to adjust
21475 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
21477 * gcc.1: Fix a formatting error.
21479 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21481 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
21482 i786, mn10200, mn10300, pdp11, v850.
21484 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
21486 * libgcc2.c (num_digits): Add prototype with
21487 __attribute__((const)).
21488 (__terminate): Add prototype.
21490 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
21492 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
21494 * alpha/alpha.c (print_operand): Fix type of `code'.
21495 (alpha_output_filename): Constify.
21496 * alpha/alpha.h: Move all function declarations ...
21497 * alpha/alpha-protos.h: ... here. New file.
21498 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
21499 (SECTION_FUNCTION_TEMPLATE): Likewise.
21501 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21503 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
21504 * expr.c (expand_expr): Likewise.
21505 (do_jump): Likewise.
21506 (do_store_flag): Pass ccp_store_flag to can_compare_p.
21507 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
21509 (enum can_compare_purpose): New.
21510 (can_compare_p): Adjust prototype.
21511 (prepare_cmp_insn, prepare_operand): Declare.
21512 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
21513 * optabs.c (cmp_available_p): Deleted.
21514 (expand_abs): Pass ccp_jump to can_compare_p.
21515 (can_compare_p): New arg PURPOSE. Check for combined optabs.
21516 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
21517 Call can_compare_p rather than cmp_available_p.
21518 (prepare_operand): No longer static.
21519 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
21520 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
21521 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
21522 sequence to use emit_cmp_and_jump_insns.
21523 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
21525 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
21527 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
21528 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
21529 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
21530 (plus (reg) (const_int 0))
21531 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
21533 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
21535 * rs6000.c (expand_block_move): DImode loads and stores require
21536 word-aligned displacements. Increment address registers with
21537 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
21539 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
21541 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
21542 is no name for the base type, rather than segfault. If we are
21543 writing out a complex integer type, use DW_ATE_lo_user.
21545 * expr.c (emit_move_insn_1): If we are copying a complex that fits
21546 in one word or less (complex char, complex short, or on 64 bit
21547 systems complex float) to/from a hard register, copy it through
21548 memory instead of dying in gen_{real,imag}part. If we have a
21549 short complex type, prevent inlining since it allocates stack
21552 * tree.c (build_complex_type): If we are writing dwarf2 output,
21553 generate a name for complex integer types.
21555 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21557 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
21558 * flow.c (remove_edge): Remove extra whitespace.
21559 (remove_fake_edges): Fix comment.
21560 (add_noreturn_fake_exit_edges): Use the correct name.
21562 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
21564 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
21565 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
21566 (clean): Depend on INTL_CLEAN.
21567 (maintainer-clean): Adjust.
21569 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21571 * configure.in (AC_PREREQ): Bump to 2.13.
21572 (AC_C_STRINGIZE): Call this instead of using a custom macro.
21574 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
21576 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
21578 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
21580 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
21581 (HAVE_STRINGIZE): Define.
21583 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
21585 * c-parse.in: save and restore warn_pointer_arith on __extension__
21586 along with pedantic.
21587 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
21588 Set the type of extension to itype rather than $<itype>1 kludge.
21589 * extend.texi (Alternate Keywords): Adjust documentation.
21590 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
21592 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
21594 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
21595 most assembler templates.
21597 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
21598 FP loads and stores.
21599 (following_call): Always return zero for the PA8000.
21600 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
21601 FP loads and stores.
21602 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
21604 * pa.h (BRANCH_COST): Define.
21606 * pa.md (return, return_internal): Use bve for PA2.0.
21608 * pa.md (fused multiply): Add variants which reduce height for the
21609 fused multiply, but which still generate 2 insns.
21610 (fnegabs): Similarly.
21612 * pa.md (subsi3): Turn into an expander. Create two anonymous
21613 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
21614 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
21616 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
21618 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
21620 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
21621 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
21623 * regclass.c (init_regs): Add "top_of_stack" as a garbage
21626 * flow.c (record_active_eh_regions): Terminate loop after finding
21627 the last insn in the last basic block.
21629 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21631 * config/c4x/c4x.md: Delete parallel instruction peepholes.
21633 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21635 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
21637 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21639 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
21640 splitting to not use output template.
21642 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21644 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
21645 * config/c4x/c4x.c (c4x_va_start): New function.
21647 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
21649 * genrecog.c (not_both_true): Handle correctly cases when called for
21650 tests with different positions in the insn.
21652 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21654 * machmode.h (HOST_PTR_PRINTF): Move from here ...
21656 * system.h (HOST_PTR_PRINTF): ... to here.
21658 * mips-tfile.c: Don't include machmode.h.
21660 * Makefile.in (MACHMODE_H): New variable. Update to use it.
21661 (mips-tfile.o): Don't depend on machmode.h.
21663 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21665 * haifa-sched.c (sched_analyze): Rename local variable `region' to
21666 avoid conflicts with typedef struct `region' at the top level scope.
21668 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
21670 * basic-block.h (basic_block): Add eh_beg, eh_end.
21671 * flow.c (entry_exit_blocks): Update.
21672 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
21673 Call new functions.
21674 (find_basic_blocks_1): Don't record eh_list at each bb. Use
21675 lists.c functions to allocate insn lists.
21676 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
21678 (make_eh_edge): ... here. New.
21679 (move_stray_eh_region_notes): New.
21680 (record_active_eh_regions): New.
21681 (delete_unreachable_blocks): Split out block merging ...
21682 (try_merge_blocks): ... here. New.
21683 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
21684 Dump debugging data.
21685 (merge_blocks_move_successor_nojumps): Likewise.
21686 (merge_blocks): Use eh_beg+eh_end to validate block movement.
21688 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
21690 * extend.texi (Bound member functions): Document unbound pmf
21693 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21695 * flow.c (split_edge): Handle insertion on a fallthrough edge which
21696 has the EXIT_BLOCK as a dest.
21698 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21700 * flow.c (remove_edge): New function to remove an edge from the
21702 (remove_fake_successors): New function to remove fake successor edges.
21703 (remove_fake_edges): New function to remove all fake edges from the
21705 (add_fake_exit_edges): New function to add fake edges from all blocks
21706 with no successors to the exit block.
21707 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
21708 prototypes for new functions.
21710 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21712 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
21713 Use Pmode to determine whether to output .dword or .word.
21715 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
21717 * tree.c (built_in_filename): New variable.
21718 (BUILT_IN_FILENAME): New macro.
21719 (init_tree_codes): Allocate built_in_filename.
21720 (make_node): Use built_in_filename instead of string constant.
21722 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
21724 * configure.in: Add fr30 target.
21725 * configure: Regenerate.
21726 * config/fr30: New directory.
21727 * config/fr30/crti.asm: New file.
21728 * config/fr30/fr30.c: New file.
21729 * config/fr30/crtn.asm: New file.
21730 * config/fr30/fr30.h: New file.
21731 * config/fr30/fr30.md: New file.
21732 * config/fr30/lib1funcs.asm: New file.
21733 * config/fr30/t-fr30: New file.
21734 * config/fr30/xm-fr30.h: New file.
21736 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
21738 * flow.c (merge_blocks_move_successor_nojumps): Delete the
21739 BARRIER at the end of the successor, not the BARRIER before
21742 * pa.c (pa_add_gc_roots): Fix thinko in last change.
21744 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
21746 * stmt.c (any_pending_cleanups): Don't crash when
21747 current_function->stmt is unset.
21749 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21751 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
21752 other initializations that may use it for relative offsets.
21754 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21756 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
21757 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
21758 * config/i386/sol2dbg.h: Removed.
21759 * config/i386/sol2gas.h: New file, to enable gas work-around.
21760 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
21761 Don't use sol2dbg.h.
21762 * configure: Rebuilt.
21764 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
21766 * invoke.texi (-fthis-is-variable): Remove documentation.
21768 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
21770 * basic-block.h (compute_bb_for_insn): Declare.
21771 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
21772 to use; set size of basic_block_for_insn directly.
21773 (find_basic_blocks): Update.
21775 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21777 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
21779 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21781 * crtstuff.c (ON_EXIT): Delete empty macro definition.
21782 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
21784 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
21786 * c-decl.c (c_decode_option): Extend comment.
21788 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
21790 * toplev.c (progname): Make 'const char *'
21791 (flag_print_mem): Move out of main.
21792 (version_flag): Move out of main.
21793 (filename): Move out of main.
21794 (debug_args): Remove g prefix from options.
21795 (documented_lang_options): Remove cpplib specific options.
21796 (display_help): Add g prefix to debug options.
21797 (check_lang_option): Delete this function.
21798 (decode_d_option): New function: Decode -d... option.
21799 (decode_f_option): New function: Decode -f... option.
21800 (decode_W_option): New function: Decode -W... option.
21801 (decode_g_option): New function: Decode -g... option.
21802 (independent_decode_option): New function: Decode a language
21803 independent command line option.
21804 (main): Invoke lang_decode_option and then
21805 independent_decode_option on each command line option in
21808 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
21810 Revert this change. Gavin's patch to operand_equal_p is a better fix.
21811 * fold-const.c (fold_range_test): Do not try to fold the range
21812 test if the rhs or lhs has side effects.
21814 * basic-block.h (compute_flow_dominators): Declare.
21816 * gcse.c (alloc_code_hoist_mem): New function.
21817 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
21818 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
21819 (hoist_code, one_code_hoisting_pass): Likewise.
21820 (gcse_main): If optimizing for size, then hoist expressions
21821 computed in multiple dominated basic blocks.
21823 * gcse.c (invalid_nonnull_info): New function.
21824 (delete_null_pointer_checks): Likewise.
21825 * rtl.h (delete_null_pointer_checks): Declare.
21826 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
21828 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
21829 (merge-blocks_move_successor_nojumps): Likewise.
21830 (merge_blocks): Allow merging of some blocks, even if it requires
21831 physical movement of the blocks, but not if it requires new jumps.
21833 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
21834 Callers and prototype changed.
21835 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
21837 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21839 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
21840 -YP when both -p and -pg are present. From i386/sol2.h.
21842 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21844 * Makefile.in (distclean): Delete tm_p.h.
21845 * configure.in: Create a new file, "tm_p.h", from a list in
21846 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
21847 "i386/i386-protos.h".
21849 * alias.c: Include "tm_p.h".
21850 * c-typeck.c: Likewise.
21851 * calls.c: Likewise.
21853 * emit-rtl.c: Likewise.
21854 * explow.c: Likewise.
21855 * expmed.c: Likewise.
21856 * expr.c: Likewise.
21857 * final.c: Likewise.
21858 * flow.c: Likewise.
21859 * fold-const.c: Likewise.
21860 * function.c: Likewise.
21861 * gcse.c: Likewise.
21862 * global.c: Likewise.
21863 * haifa-sched.c: Likewise.
21864 * integrate.c: Likewise.
21865 * jump.c: Likewise.
21866 * local-alloc.c: Likewise.
21867 * loop.c: Likewise.
21868 * optabs.c: Likewise.
21869 * recog.c: Likewise.
21870 * reg-stack.c: Likewise.
21871 * regclass.c: Likewise.
21872 * regmove.c: Likewise.
21873 * reload.c: Likewise.
21874 * reload1.c: Likewise.
21875 * reorg.c: Likewise.
21876 * resource.c: Likewise.
21877 * stmt.c: Likewise.
21878 * stor-layout.c: Likewise.
21879 * toplev.c: Likewise.
21880 * tree.c: Likewise.
21881 * unroll.c: Likewise.
21882 * genattrtab.c (main): Make generated file include "tm_p.h".
21883 * genemit.c (main): Likewise.
21884 * genoutput.c (main): Likewise.
21885 * genrecog.c (main): Likewise.
21887 * i386.h: Delete all prototypes.
21888 * i386.c: Include "tm_p.h".
21889 (ix86_attr_length_default): Call constant_call_address_operand
21890 with correct number of arguments.
21891 * i386-protos.h: New file.
21892 * i386.md (unnamed patterns): Call constant_call_address_operand
21893 with correct number of arguments.
21894 (exception_receiver): Call load_pic_register with correct number
21897 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
21899 * c-pragma.c (mark_align_stack): Dereference the void* properly.
21901 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
21903 * rtl.h (insns_safe_to_move_p): New function.
21904 * loop.c (find_and_verify_loops): Use it.
21905 * rtlanal.c (insns_safe_to_move_p): Define it.
21907 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
21909 * c-pragma.c: Include ggc.h.
21910 * Makefile.in (c-pragma.o): Update.
21912 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21914 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
21915 (LIB_SPEC): Likewise.
21916 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
21917 Reindent -YP/-p/-pg.
21918 Copied from config/sparc/sol2.h.
21920 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
21922 * c-pragma.c (mark_align_stack): New.
21923 (init_pragma): New.
21924 * c-pragma.h (init_pragma): Declare it.
21925 * c-lex.c (init_parse): Call it.
21927 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
21929 * configure.in: Pick up thread library on Solaris/x86 just
21930 like on Solaris/sparc.
21931 * configure: Rebuilt.
21933 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
21935 * rtl.h (global_rtx_index): New enum.
21936 (global_rtl): Change to array of rtx.
21937 (pc_rtx, cc0_rtx): Redefine accordingly.
21938 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
21939 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
21940 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
21941 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
21942 (const_int_rtx): Change to array of rtx.
21943 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
21945 * emit-rtl.c (global_rtl): Change to array of rtx.
21946 (const_int_rtx): Change to aray of rtx.
21947 (gen_rtx_CONST_INT): Redefine accordingly.
21948 (init_emit_once): Allocate and initialize global_rtl. Likewise
21949 for const_int_rtx. Add both as GC roots.
21950 * genattrtab.c (global_rtl): Update declaration.
21952 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
21954 * Makefile (USER_H): Add iso646.h back.
21956 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
21958 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
21959 zapping the LOG_LINKS of sched_before_next_call.
21961 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
21962 * pa.c (insn_refs_are_delayed): Renamed from
21963 insn_sets_and_refs_are_delayed.
21965 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
21967 * functiion.h (struct function): Add x_whole_function_mode_p.
21968 (retrofit_block): Declare.
21969 * function.c (retrofit_block): New function.
21970 (identify_blocks): Add assertions. Allow an incomplete set of
21971 block notes if we're still generating code for the function.
21972 * integrate.c: Include loop.h.
21973 (expand_inline_function): Call find_loop_tree_blocks to map block
21974 notes to blocks when in whole-function mode. Use retrofit_block
21975 to insert new BLOCKs for the inlined function, rather than
21977 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
21978 * Makefile.in (integrate.o): Depend on loop.h.
21980 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21982 * tree.h (warn_about_unused_variables): Declare.
21983 * stmt.c (warn_about_unused_variables): New function, split out
21985 (expand_end_bindings): Here.
21987 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
21989 * stmt.c (preserve_subexpressions_p): Don't crash when
21990 current_function->stmt is unset.
21992 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
21994 * stmt.c (expand_start_bindings): Allow callers to pass a flag
21995 indicating that no NOTE_INSN_BLOCK_BEG note is required.
21996 (expand_start_target_temps): Use it.
21997 * except.c (expand_eh_region_start_for_decl): Likewise.
21998 * expr.c (expand_expr): Likewise.
22000 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22002 * fold-const.c (operand_equal_p): Pay attention to side effects.
22004 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
22006 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
22007 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
22009 * tlink.c (scan_linker_output): Look for keywords before accepting
22010 a mangled name in quotes.
22012 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
22014 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
22015 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
22017 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
22019 * alpha.md: Revert Thu Nov 26 change that came in through the
22020 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
22021 Avoid earlyclobber when possible.
22023 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22025 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
22027 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
22028 Define HAVE_ON_EXIT.
22030 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22032 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
22033 CTYPE_CONV in all ctype macros.
22035 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
22038 * cexp.y (initialize_random_junk): Likewise.
22040 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
22042 * i370.c (handle_pragma): Likewise.
22044 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
22046 * v850.c (override_options): Likewise.
22048 * doprint.c (_doprnt): Likewise.
22050 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
22053 * fixinc/server.c (load_data): Likewise.
22055 * fold-const.c (real_hex_to_f): Likewise.
22057 * genattr.c (write_upcase, gen_attr): Likewise.
22059 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
22060 write_upcase): Likewise.
22062 * genemit.c (print_code): Likewise.
22064 * genopinit.c (gen_insn): Likewise.
22066 * genpeep.c (print_code): Likewise.
22068 * genrecog.c (print_code): Likewise.
22070 * optabs.c (init_libfuncs): Likewise.
22072 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
22074 * haifa-sched.c (sched_analyze): Keep the list of notes organized
22076 (reemit_notes): Likewise.
22078 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
22080 * ggc.h (ggc_root): Move to ggc-common.c.
22082 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
22083 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
22084 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
22085 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
22086 * ggc-common.c (ggc_root): Move from ggc.h.
22087 (roots): Declare, static.
22088 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
22089 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
22090 null or check/set mark bit.
22091 (ggc_mark_roots): New.
22092 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
22094 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
22096 * m32r.c: Include toplev.h.
22097 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
22098 (gen_compare): Rename swap_p to must_swap to match uses.
22099 Add default abort case.
22100 (m32r_output_function_epilogue): Remove unused variables.
22101 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
22102 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
22103 define to empty parameter list. Update all uses.
22104 (predicate decls): Use enum machine_mode not int.
22105 * m32r.md (movsi): Call abort, not fatal_insn.
22106 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
22108 1999-09-14 Andrew Haley <aph@cygnus.com>
22110 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
22111 use $0 instead of 0.
22113 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22115 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
22116 computation out of loop over hard regs.
22118 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
22120 * function.c (identify_blocks): Don't shadow a variable in an
22122 * integrate.c (integrate_decl_tree): Don't use pushlevel,
22123 pushdecl, or poplevel to build up the new BLOCK tree.
22124 (expand_inline_function): Likewise.
22125 (integrate_parm_decls): Likewise.
22127 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
22129 * c-typeck.c (qualify_type): Merge qualifiers from both types.
22131 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
22133 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
22134 * invoke.texi: Document this change.
22136 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
22138 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
22140 (mark_emit_status): Renamed from mark_emit_state.
22141 * except.c (mark_eh_status): Renamed from mark_eh_state.
22142 Check not null before marking.
22143 (free_eh_status): New.
22144 * expr.c (mark_expr_status, free_expr_status): New.
22145 * function.c (free_machine_status): New.
22146 (free_after_parsing): New.
22147 (free_after_compilation): Move bits to free_after_parsing; call
22148 free_eh_status, free_expr_status; zero the marked members of the
22150 (prepare_function_start): No can_garbage_collect.
22151 Call init_eh_for_function.
22152 (expand_dummy_function_end): Free up current_function state.
22153 (mark_function_status): Renamed from mark_function_state.
22154 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
22155 * function.h (struct function): No can_garbage_collect.
22156 (free_machine_status, free_after_parsing): Declare.
22157 (free_eh_status, free_expr_status): Declare.
22158 * ggc.h (mark_expr_status): Declare.
22159 * stmt.c (free_stmt_status): Free the struct.
22160 (mark_stmt_status): Renamed from mark_stmt_state.
22161 (init_stmt): Don't call init_eh.
22162 (init_stmt_for_function): Don't call init_eh_for_function.
22163 * toplev.c (compile_file): Call init_eh.
22164 (rest_of_compilation): Free basic block info before ggc_collect.
22165 Call free_after_parsing; conditionally call free_after_compilation.
22166 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
22167 Check not null before marking.
22168 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
22170 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
22172 * c-lex.c (yylex): Initialize warn.
22174 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
22176 * pa.c (emit_move_sequence): Properly set the mode of the scratch
22177 register when performing secondary reloads for the SAR register.
22179 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
22181 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
22182 (NOTE_BLOCK): New macro.
22183 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
22184 * function.h (identify_blocks): Change prototype.
22185 * function.c (identify_blocks): Simplify.
22186 (reorder_blocks): Likewise.
22187 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
22188 NOTE_INSN_BLOCK_{BEG,END}.
22189 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
22190 the list of saved notes if the note isn't a
22191 NOTE_INSN_BLOCK_{BEG,END}.
22192 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
22194 (reemit_notes): Adjust recreation of notes to reflect new saved
22196 * print-rtl.c (print_rtx): Print the address of the BLOCK when
22197 printing a block note.
22198 * stmt.c (block_vector): Remove.
22199 (find_loop_tree_blocks): Simplify.
22200 (unroll_block_trees): Likewise.
22201 * tree.h (reorder_block): Change prototype.
22203 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
22205 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
22206 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
22207 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
22208 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
22209 (atexit, exit): Simplify.
22210 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
22211 * config/lots: Remove defns of HAVE_ATEXIT.
22213 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
22215 * calls.c (precompute_arguments): Fix typo in comment.
22216 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
22219 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
22221 * dsp16xx.c (override_options): Fix typos in GC root registration.
22223 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
22225 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
22226 from config/svr4.h.
22227 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
22228 (FUNCTION_PROFILER): Redefine appropriately for Linux.
22229 (CC1_SPEC): Likewise.
22231 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22233 * genattr.c (main): Add extern prototype. Call return, not exit.
22234 * genattrtab.c (main): Likewise.
22235 * gencheck.c (main): Likewise.
22236 * gencodes.c (main): Likewise.
22237 * genconfig.c (main): Likewise.
22238 * genemit.c (main): Likewise.
22239 * genextract.c (main): Likewise.
22240 * genflags.c (main): Likewise.
22241 * gengenrtl.c (main): Likewise.
22242 * genopinit.c (main): Likewise.
22243 * genoutput.c (main): Likewise.
22244 * genpeep.c (main): Likewise.
22245 * genrecog.c (main): Likewise.
22247 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
22248 * genattrtab.c (get_insn_name): Likewise.
22249 * gencodes.c (get_insn_name): Likewise.
22250 * genconfig.c (get_insn_name): Likewise.
22251 * genemit.c (get_insn_name): Likewise.
22252 * genextract.c (get_insn_name): Likewise.
22253 * genflags.c (get_insn_name): Likewise.
22254 * genopinit.c (get_insn_name): Likewise.
22255 * genpeep.c (get_insn_name): Likewise.
22257 * gencheck.c (usage): Add static prototype.
22258 * genextract.c (print_path): Constify a char*.
22259 * genopinit.c (optabs): Likewise.
22260 * genoutput.c (operand_data, data, output_predicate_decls,
22261 compare_operands): Likewise.
22262 * genrecog.c (write_tree): Add default case in switch.
22264 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22266 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
22268 * print-rtl.c (get_insn_name): Remove prototype.
22270 * toplev.h (progname): Declare const.
22272 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
22273 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
22274 dump_sched_info, dump_local_alloc, regset_release_memory,
22275 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
22276 error_with_file_and_line, error_with_decl, error_for_asm, error,
22277 fatal, warning_with_file_and_line, warning_with_decl, warning,
22278 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
22279 Remove redundant prototypes.
22281 (notice, check_lang_option, report_file_and_line, vnotice,
22282 mark_file_stack): Add static prototype.
22283 (set_fatal_function): Add prototype.
22284 (vnotice, report_file_and_line, set_fatal_function,
22285 check_lang_option): Constify a char*.
22286 (main): Prototype. Call return, not exit.
22288 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22290 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
22292 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
22294 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
22296 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
22298 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22300 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
22301 behave as if it's zero in all cases.
22302 (expand_function_start): Adjust call to assign_parms.
22303 * tree.h (assign_parms): Adjust prototype.
22304 * objc/objc-act.c (hack_method_prototype): Adjust call to
22307 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
22309 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
22310 arg_pointer_rtx fixed if the argument pointer register is
22312 (NONZERO_BASE_PLUS_P): Likewise.
22314 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
22316 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
22317 match_insn2 to match_insn.
22318 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
22320 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
22322 * Makefile.in (USER_H): Remove va-foo.h.
22324 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
22325 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
22326 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
22327 va-spur.h,va-v850.h}: Remove.
22329 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
22331 * sparc/sparc.md (eligible_for_return_delay): New attribute.
22332 (in_return_delay): Use it instead of match_insn.
22334 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22336 * config/alpha/va_list.h (va-alpha.h): Do not include.
22337 (__gnuc_va_list): Typedef as in varargs.h.
22339 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
22341 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
22342 DECL_LIVE_RANGE_RTL.
22344 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
22346 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
22347 not NOTE_BLOCK_NUMBER.
22348 (expand_eh_region_end): Likewise.
22349 (find_exception_handler_labels): Likewise.
22350 (scan_region): Likewise.
22351 (exception_optimize): Likewise.
22352 (update_rethrow_references): Likewise.
22353 (set_insn_eh_region): Likewise.
22354 * final.c (final_scan_insn): Likewise.
22355 * flow.c (make_edges): Likewise.
22356 * integrate.c (expand_inline_function): Likewise.
22357 * print-rtl.c (print_rtx): Likewise.
22359 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
22361 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
22362 terms of builtin functions and types.
22364 * mips.c (mips_build_va_list): New.
22365 (mips_va_start, mips_va_arg): New.
22366 * mips.h (BUILD_VA_LIST_TYPE): New.
22367 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22369 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
22370 (sh_build_va_list, sh_va_start, sh_va_arg): New.
22371 * sh.h (BUILD_VA_LIST_TYPE): New.
22372 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
22374 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
22376 * recog.h (struct recog_data): Make dup_num, operand_address_p,
22377 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
22378 (struct insn_data): Likewise with n_operands, n_dups,
22379 n_alternatives, output_format.
22380 * regclass.c (scan_one_insn): Cast n_operands to int before
22381 arithmetic inside comparison.
22383 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
22385 * toplev.c (compile_function): Unconditionally emit nop.
22387 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22389 * haifa-sched.c (actual_hazard): Move declaration of variable
22390 `this_cost' into the scope where it is used.
22392 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22394 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
22395 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
22396 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
22398 * genrecog.c (make_insn_sequence): Call memset, not bzero.
22400 * jump.c (find_insert_position): Don't declare or define unless
22401 !HAVE_conditional_arithmetic.
22402 (returnjump_p_1, delete_prior_computation): Add static prototypes.
22404 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
22406 * recog.c (offsettable_address_p): Prototype function pointer.
22407 (preprocess_constraints): Call memset, not bzero.
22409 * tree.c (tree_node_kind_names): Constify a char*. Make static.
22410 (gcc_obstack_init): Don't declare.
22411 (fix_sizetype): Add static prototype.
22412 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
22413 (tree_cons): Call memset, not bzero.
22415 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
22416 definition in macro ASM_WEAKEN_LABEL.
22417 (mark_const_hash_entry): Add static prototype.
22419 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22421 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
22423 * unroll.c (find_common_reg_term, subtract_reg_term,
22424 loop_find_equiv_value): Add static prototypes.
22425 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
22426 (copy_loop_body): Remove unreachable break statement.
22428 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
22430 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
22432 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22434 Undo some changes from the gcc2 merge:
22435 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
22436 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
22440 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
22441 * emit-rtl.c (gen_lowpart_common): Disable optimization of
22442 initialized float-int union if the value is a NaN.
22444 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
22446 * gthr-win32.h: New file.
22448 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
22449 shared as a valid attribute.
22450 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
22451 * extend.texi: Document `shared' variable attribute.
22453 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
22455 * configure.in: Handle --enable-threads on FreeBSD.
22456 * configure: Rebuit.
22458 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22460 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
22462 * configure: Rebuilt.
22464 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
22465 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
22466 Rosimildo DaSilva <rdasilva@connecttel.com>
22468 * configure.in (m68k-*-rtemscoff*): Added.
22469 * configure.in (mips64orion-*-rtems*): Converted to ELF.
22470 * configure.in (sparc-*-rtemsaout*): Added as alias for old
22471 sparc-rtems configuration.
22472 * configure.in (sparc-*-rtemself*): Added.
22473 * configure.in (sparc-*-rtems*): Now ELF not a.out.
22474 * config/i386/rtems.h: Added comment.
22475 * config/sparc/rtemself.h: New file.
22477 * configure.in (m68k-rtemself): Added.
22478 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
22479 and DWARF_DEBUGGING_INFO.
22480 * config/m68k/crti.s: New file.
22481 * config/m68k/crtn.s: New file.
22482 * config/m68k/t-crtstuff: New file.
22483 * config/m68k/rtemself.h: New file.
22485 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
22486 global ctor/dtor and C++ exception handling.
22487 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
22488 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
22490 * config/i386/t-rtems-i386: New File.
22492 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
22494 * stmt.c (expand_end_case): Return right away if the case stack is
22497 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
22499 * Makefile.in (version.c): Remove rule incorrectly brought in from
22502 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
22504 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
22505 * msdos/top.sed: Take into account a prepended $(SHELL) to
22507 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
22509 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
22511 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22513 * regmove.c (fixup_match_1): Don't change an unchanging register.
22514 (stable_but_for_p): Renamed to:
22515 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
22516 Changed all callers.
22518 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
22520 * loop.c (strength_reduce): Don't call reg_used_between_p if the
22521 insn from BL2 is after the insn from BL.
22523 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
22525 * recog.h (INSN_OUTPUT_FORMAT_*): New.
22526 (struct insn_data): Merge `template' and `outfun' into `output'.
22527 Add `output_format'.
22528 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
22529 (struct data): Remove `outfun'; add `output_format'.
22530 (name_for_index): Remove declaration.
22531 (output_insn_data): Handle output formats.
22532 (process_template): Emit the bare array for @.
22533 (gen_expand, gen_split): Set output_format to NONE.
22534 * output.h (get_insn_template): Declare.
22535 * final.c (get_insn_template): New.
22536 (final_scan_insn): Use it.
22537 * toplev.c (compile_file): Likewise.
22539 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22540 * i860/i860.c (output_delayed_branch): Likewise.
22541 (output_delay_insn): Likewise.
22543 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
22545 * rtl.c (obstack_alloc_rtx): Removed.
22547 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
22549 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
22551 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
22553 * i386.c (call_insn_operand): Reject const_int.
22554 (expander_call_insn_operand): Use call_insn_operand.
22556 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22558 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
22560 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
22562 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
22563 Use DImode operation.
22565 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
22567 * gcc.c: Include sys/resource.h.
22568 (report_times): New flag.
22569 (execute): If report_times is set, calculate and report the
22570 CPU time consumed by each subprocess.
22572 (rus, prus): New globals.
22573 (option_map): Add --time.
22574 (display_help): Document -time.
22575 (process_command): Set report_times if -time is given.
22576 Turn off -pipe if -time is given.
22578 * invoke.texi: Document new option -time.
22580 * configure.in: Check for getrusage. Check if we have to
22581 prototype getrusage.
22582 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
22583 * configure: Regenerate.
22584 * config.in: Regenerate.
22586 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
22588 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
22591 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
22593 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
22594 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
22595 (nan): Return _thenan_sf or _thenan_df as appropriate.
22596 (L_thenan_sf): Define _thenan_sf.
22597 (L_thenan_df): Define _thenan_df.
22599 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
22600 (DPBIT_FUNCS): Add _thenan_df.
22602 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
22604 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
22607 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22609 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
22612 (lang_specific_driver): Don't take a function pointer parameter.
22613 All callers changed.
22615 * gcc.c: Include gcc.h.
22616 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
22617 lang_specific_extra_outfiles, fatal): Don't declare.
22618 (multilib_defaults_raw): Constify.
22619 (read_specs): Call memset, rather than bzero.
22620 (main): Call return, not exit.
22621 (lookup_compiler): Call memcpy, not bcopy.
22622 (fatal): Make extern.
22624 * cppspec.c: Include gcc.h.
22625 (lang_specific_driver): Initialize variable `quote'. Constify a
22626 char*. All calls to the function pointer parameter now
22627 explicitly call `fatal'.
22629 * gccspec.c (lang_specific_driver): Include gcc.h.
22631 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
22633 * arm.c (note_invalid_constants): Use recog_data.operand_type
22636 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22638 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
22641 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
22642 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22643 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22644 reload_secondary_in_reload, reload_secondary_out_reload,
22645 reload_secondary_in_icode, reload_secondary_out_icode,
22646 reload_reg_rtx, reload_when_needed): Delete declarations.
22647 (struct reload): New structure.
22648 (rld): Declare new array.
22649 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
22650 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
22651 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
22652 reload_secondary_in_reload, reload_secondary_out_reload,
22653 reload_secondary_in_icode, reload_secondary_out_icode,
22654 reload_reg_rtx, reload_when_needed): Delete definitions.
22656 (whole file): Replace uses of the deleted arrays with uses of rld.
22657 * reload1.c (whole file): Replace uses of the deleted arrays with
22659 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
22660 explicit loops, not with bcopy.
22662 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
22664 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
22665 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
22666 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
22667 insn_name): Delete and consolidate into new structures.
22668 (insn_operand_predicate_fn): New.
22669 (insn_output_fn): New.
22670 (insn_gen_fn): New.
22671 (struct insn_operand_data): New.
22672 (struct insn_data): New.
22674 (OUT_FCN): Update for insn_data change.
22675 * builtins.c (expand_builtin_strlen): Likewise.
22676 (expand_builtin_memcmp): Likewise.
22677 * combine.c (make_extraction, simplify_comparison): Likewise.
22678 * cse.c (canon_reg, cse_insn): Likewise.
22679 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
22680 * expmed.c (store_bit_field, extract_bit_field): Likewise.
22681 (emit_store_flag): Likewise.
22682 * expr.c (convert_move, emit_block_move): Likewise.
22683 (clear_storage, emit_push_insn, expand_increment): Likewise.
22684 (do_store_flag): Likewise.
22685 * expr.h (GEN_FCN): Likewise.
22686 (insn_gen_function): Die.
22687 * final.c (final_scan_insn): Update for insn_data change.
22688 (output_asm_name): Likewise.
22689 * function.c (fixup_var_refs_1): Likewise.
22690 * loop.c (check_dbra_loop): Likewise.
22691 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
22692 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
22693 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
22694 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
22695 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
22696 * regmove.c (gen_add3_insn): Likewise.
22697 * reload.c (push_secondary_reload, combine_reloads): Likewise.
22698 (find_reloads, find_reloads_address_1): Likewise.
22699 (debug_reload_to_stream): Likewise.
22700 * reload1.c (emit_reload_insns, gen_reload): Likewise.
22701 * stmt.c (expand_end_case): Likewise.
22702 * toplev.c (compile_file): Likewise.
22704 * c4x/c4x.c (c4x_process_after_reload): Likewise.
22705 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22707 * print-rtl.c (insn_name_ptr): Remove declaration.
22708 (get_insn_name): Declare.
22709 (print_rtx): Use it.
22710 * genoutput.c (insn_name_ptr): Remove.
22711 (next_operand_number): New.
22712 (struct operand_data): New.
22713 (null_operand, odata, odata_end): New.
22714 (struct data): Use struct operand_data.
22715 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
22716 (get_insn_name): Renamed from name_for_index.
22717 (output_prologue): Define NO_MD_PROTOTYPES.
22718 (output_predicate_decls): Break out from output_epilogue.
22719 Iterate over the operands list.
22720 (output_operand_data): Break out from output_epilogue. Emit
22721 just the operands list.
22722 (output_insn_data): Break out from output_epilogue. Emit just
22724 (output_epilogue): Remove.
22725 (output_get_insn_name): New.
22726 (constraints, op_n_alternatives, predicates, address_p): Die.
22727 (modes, strict_low, seen): Die.
22728 (scan_operands): Take new param `d' instead of writing to
22729 seven global variables.
22730 (compare_operands): New.
22731 (place_operands): New.
22732 (validate_insn_alternatives): Update for struct data change.
22733 (gen_insn): Don't zero or copy 7 global arrays. Update for
22734 scan_operands; call place_operands.
22735 (gen_peephole, gen_expand, gen_split): Likewise.
22736 (main): Update for new output routines.
22738 * genattr.c (insn_name_ptr): Remove.
22739 (get_insn_name): New function.
22740 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
22741 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
22742 * genrecog.c: Likewise.
22744 * alpha.md (adddi3): Make `pattern' array static.
22746 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22748 * config/c4x/c4x.h (c4x_rpts_cycles_string,
22749 c4x_cpu_version_string): Constify char *.
22750 * config/c4x/c4x.c (c4x_rpts_cycles_string,
22751 c4x_cpu_version_string): Likewise.
22753 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
22755 * tree.c (save_tree_status): Revert 10 Sep change.
22756 (restore_tree_status): Likewise. Call obstack_free with NULL
22757 before freeing the obstack proper.
22759 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
22761 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
22763 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
22764 surrounding context.
22766 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
22768 * tree.c (type_hash_canon): Put all types in the hash-table, when
22771 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
22773 * recog.h (struct recog_data, recog_data): New.
22774 (recog_foo variables): Kill.
22775 * recog.c (recog_operand, recog_operand_loc): Kill.
22776 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
22777 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
22778 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
22779 (recog_data): Define.
22780 (extract_insn): Update all recog_foo references to use recog_data.
22781 (preprocess_constraints, constrain_operands): Likewise.
22782 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
22783 * genattrtab.c (main): Likewise.
22784 * genextract.c (main): Likewise.
22785 * genoutput.c: Likewise.
22786 * genrecog.c (write_subroutine, main): Likewise.
22787 * local-alloc.c (block_alloc): Likewise.
22788 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
22789 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
22790 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
22791 * reload.c (find_reloads, find_reloads_toplev): Likewise.
22792 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
22793 (reload_cse_simplify_operands): Likewise.
22795 * arc/arc.c (arc_final_prescan_insn): Likewise.
22796 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
22797 * h8300/h8300.c (notice_update_cc): Likewise.
22798 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
22799 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
22800 * mn10200/mn10200.c (notice_update_cc): Likewise.
22801 * mn10300/mn10300.c (notice_update_cc): Likewise.
22802 * romp/romp.c (update_cc): Likewise.
22803 * sparc/sparc.c (check_pic): Likewise.
22804 * v850/v850.c (notice_update_cc): Likewise.
22806 * genemit.c (main): Don't declare recog_operand.
22808 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
22810 * ggc.h (rtvec_def): Forward declare.
22811 (tree_node): Likewise.
22812 (ggc_root): Define.
22814 (ggc_set_mark_rtx): Add prototype.
22815 (ggc_set_mark_rtvec): Likewise.
22816 (ggc_set_mark_tree): Likewise.
22817 * ggc-simple.c (ggc_root): Don't define.
22818 (roots): Don't declare.
22819 (ggc_mark_rtx): Remove.
22820 (ggc_mark_rtvec): Likewise.
22821 (ggc_mark_tree): Likewise.
22822 (ggc_mark_varray): Likewise.
22823 (ggc_mark_tree_hash_table_entry): Likewise.
22824 (ggc_mark_tree_hash_table): Likewise.
22825 (ggc_set_mart_rtx): New function.
22826 (ggc_set_mark_rtvec): Likewise.
22827 (ggc_set_mark_tree): Likewise.
22828 (ggc_add_root): Remove.
22829 (ggc_add_rtx_root): Likewise.
22830 (ggc_remove_tree_root): Likewise.
22831 (ggc_add_string_root): Likewise.
22832 (ggc_add_tree_varray_root): Likewise.
22833 (ggc_add_tree_hash_table_root): Likewise.
22834 (ggc_del_root): Likewise.
22835 (ggc_mark_rtx_ptr): Likewise.
22836 (ggc_mark_tree_ptr): Likewise.
22837 (ggc_mark_string_ptr): Likewise.
22838 (ggc_mark_tree_varray_ptr): Likewise.
22839 (ggc_mark_tree_hash_table_ptr): Likewise.
22840 * ggc-common.c: New file.
22841 * Makefile.in (OBJS): Add ggc-common.o.
22842 (ggc-common.o): List dependencies.
22844 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
22846 * cppalloc.c (xstrdup): Use memcpy.
22847 * cpperror.c (cpp_print_containing_files): Don't use
22849 * cpplib.c (conditional_skip): Set temp->lineno.
22850 (do_endif): Make error message less obscure.
22851 (if_directive_name): New function.
22852 (cpp_get_token [case EOF]): Unwind the if stack and generate
22853 error messages for each unterminated conditional in this file.
22854 (parse_string): Do not behave differently if -traditional.
22856 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
22858 * builtins.c (expand_builtin_va_arg): Cope with an array-type
22859 va_list decomposing to pointer-type.
22860 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
22861 (rs6000_va_arg): Likewise.
22863 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
22865 * except.c (start_dynamic_handler): Compute size using
22866 STACK_SAVEAREA_MODE.
22868 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22870 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
22871 include directory headers. Don't define strrchr. Don't provide
22872 my_* replacement functions. Prefer PTR over `pointer_type'.
22873 Don't prototype system functions. Don't redefine getopt.
22875 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
22876 safe_read, safe_write, save_pointers, restore_pointers,
22877 is_id_char, in_system_include_dir, directory_specified_p,
22878 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
22879 find_corresponding_lparen, referenced_file_is_newer,
22880 save_def_or_dec, munge_compile_params, gen_aux_info_file,
22881 process_aux_info_file, identify_lineno, check_source,
22882 seek_to_line, forward_to_next_token_char, output_bytes,
22883 output_string, output_up_to, other_variable_style_function,
22884 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
22885 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
22886 find_static_definition, connect_defs_and_decs, add_local_decl,
22887 add_global_decls, needs_to_be_converted, visit_each_hash_node,
22888 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
22889 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
22890 scan_for_missed_items, edit_file, string_list_cons): Add static
22892 (standard_exec_prefix, target_machine, target_version,
22893 default_syscalls_dir, string_list, string_list_cons, find_file,
22894 do_cleaning): Constify a char*.
22895 (safe_read, safe_write): Use PTR, not a char*.
22896 (is_id_char): Take an int, not a char.
22897 (main): Add prototype. Call return, not exit.
22899 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
22901 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
22902 when comparing types.
22904 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
22906 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
22907 (strength_reduce): Release the varrays from the no-bivs early exit.
22909 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
22910 the loop over the registers.
22912 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
22914 (restore_tree_status): Check that instead when freeing the obstack.
22916 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
22918 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
22921 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22923 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
22924 operand size modifiers.
22926 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22928 * c-common.c (c_common_nodes_and_builtins): Don't build
22930 * c-common.h (enum c_tree_index and related accesor macros): Remove
22931 everything now declared in tree.h.
22932 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22933 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
22934 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
22935 (error_mark_node, void_type_node, char_type_node, integer_type_node,
22936 unsigned_type_node, ptr_type_node, va_list_type_node,
22937 integer_zero_node, null_pointer_node, integer_one_node): Delete.
22938 (init_decl_processing): Call build_common_tree_nodes and
22939 build_common_tree_nodes_2 instead of building their nodes here.
22940 Don't add roots for these nodes.
22941 * stor-layout.c (size_zero_node, size_one_node): Delete.
22942 (set_sizetype): Make a new node for bitsizetype each time.
22943 * tree.c (global_trees): New variable.
22944 (init_obstacks): Add a gc root for it.
22945 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
22946 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
22947 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
22948 (build_common_tree_nodes): New function.
22949 (fix_sizetype): New function.
22950 (build_common_tree_nodes_2): New function.
22951 * tree.h (enum tree_index): New.
22952 (global_trees): Declare.
22953 Add accessor macros for all nodes now moved to global_trees.
22954 Delete their declarations.
22956 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
22958 * c-decl.c (finish_function): When processing a nested function,
22959 push and pop GC context around rest_of_compilation.
22961 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
22963 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
22964 Default ix86_arch to PROCESSOR_I386.
22965 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
22966 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
22967 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
22968 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
22969 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
22970 (EXTRA_SPECS): Remove deleted specs.
22972 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
22974 * function.c (assign_stack_local_1): Allocate from
22975 function->x_frame_offset, not frame_offset.
22977 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
22979 * ggc.h (lang_cleanup_tree): Remove.
22980 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
22981 * ggc-callbacks.c (lang_cleanup_tree): Remove.
22983 * c-decl.c (finish_struct): Use ggc_alloc to allocate
22984 TYPE_LANG_SPECIFIC when garbage collecting.
22985 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
22986 (lang_cleanup_tree): Remove.
22988 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
22990 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
22991 * crtstuff.c: Not here.
22992 * dwarf2out.c: Or here.
22993 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
22996 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
22998 * function.h (free_after_compilation): Remove decl parameter.
22999 (free_varasm_status0: Likewise.
23000 (free_emit_status): Likewise.
23001 (free_stmt_status): Likewise.
23002 (free_after_compilation): Likewise.
23003 (init_lang_status): New variable.
23004 (free_lang_status): Likewise.
23005 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
23006 * function.c (init_lang_status): New variable.
23007 (free_lang_status): Likewise.
23008 (push_function_context_to): Don't set function::decl here.
23009 (free_after_copmilation): Make decl parameter implicit. Call
23010 free_lang_status if defined.
23011 (prepare_function_start): Call init_lang_status if defined.
23012 (init_function_start): Set function::decl here.
23013 * profile.c (output_func_start_profiler): Don't call pushdecl
23014 until we've actually started the function.
23015 * stmt.c (free_stmt_status): Make decl parameter implicit.
23016 * toplev.c (rest_of_compilation): Don't pass decl to
23017 free_after_compilation.
23018 * varasm.c (free_varasm_status): Likewise.
23020 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23022 * except.c (call_get_eh_context): Add root when allocating static
23025 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
23027 * arm.c: Include "ggc.h".
23028 (arm_add_gc_roots): New function.
23029 (arm_override_options): Call it.
23030 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
23032 * arm.md (define_asm_attributes): Add a pool_range attribute.
23034 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
23036 * extend.texi (Volatiles): New node.
23038 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
23040 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
23041 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
23042 (struct ggc_any): Replace `mark' with `magic_mark'.
23043 (ggc_alloc_string): Use memcpy, not bcopy.
23044 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
23045 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
23046 (ggc_free_any): New.
23047 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
23048 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
23049 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
23050 Use IS_MARKED. Use ggc_free_any.
23052 1999-09-09 Scott Bambrough <scottb@netwinder.org>
23054 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
23056 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
23058 * toplev.c (main): Always init_ggc.
23060 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
23062 * except.c (find_all_handler_type_matches): Free the list if
23063 we found no matches.
23065 * combine.c (SUBST): Break out to a real function do_SUBST.
23066 (SUBST_INT): Likewise.
23067 * gcse.c (free_pre_mem): Free `temp_bitmap'.
23068 (pre_insert): Free `inserted'.
23069 * loop.c (basic_induction_var): Always set `location'.
23071 * function.c (expand_function_end): Add initial_trampoline as a root.
23072 * rtl.h (init_varasm_once): Declare.
23073 * toplev.c (compile_file): Call it.
23074 * ggc-simple.c (ggc_mark_string_ptr): New.
23075 (ggc_add_string_root): New.
23076 (ggc_collect): Disable collection avoidance temporarily.
23077 * ggc.h (ggc_add_string_root): Declare.
23078 * except.c (create_rethrow_ref): Use ggc_alloc_string.
23079 * optabs.c (init_libfuncs): Likewise.
23080 * varasm.c (named_section): Use ggc_alloc_string.
23081 (make_function_rtl): Likewise.
23082 (make_decl_rtl): Likewise.
23083 (assemble_static_space): Likewise.
23084 (assemble_trampoline_template): Likewise.
23085 (output_constant_def): Likewise.
23086 (force_const_mem): Likewise.
23087 (mark_const_hash_entry): New.
23088 (mark_pool_sym_hash_table): New.
23089 (mark_varasm_state): Use it.
23090 (init_varasm_once): New.
23092 * expr.h (init_one_libfunc): Declare.
23093 * optabs.c (init_one_libfunc): New.
23094 (init_optabs): Use it.
23095 * config/gofast.h: Likewise.
23096 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
23097 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
23099 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
23101 * Makefile.in (cppexp.o): Depend on cpphash.h.
23102 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
23104 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
23105 * cpplib.c (do_define): Generalise to handle poisoned definitions,
23106 redefining poisoned identifiers, etc.
23107 (do_undef): Don't allow poisoned identifiers to be undefined.
23108 (do_pragma): Add #pragma poison.
23109 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
23111 * cccp.c: Add T_POISON node type.
23112 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
23114 (do_define): Generalise to handle poisoned definitions,
23115 redefining poisoned identifiers, etc.
23116 (do_undef): Don't allow poisoned identifiers to be undefined.
23117 (do_pragma): Add #pragma poison.
23118 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
23120 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
23121 * c-pragma.h: Add ps_poison state. We now always have generic
23124 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
23126 * ggc.h (ggc_alloc): New function.
23127 (ggc_mark): Likewise.
23128 * ggc-simple.c (ggc_any): New structure.
23129 (ggc_status): Add anys.
23130 (n_anys_collected): New variable.
23131 (ggc_alloc): Define.
23132 (ggc_mark): Likewise.
23133 (ggc_collect): Collect the anys.
23135 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23137 * c-decl.c (mark_binding_level): Make static to match prototype.
23139 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
23141 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
23143 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
23145 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
23146 will use into account. Expand the max width to 5.
23149 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
23151 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
23152 for the rtx length.
23154 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
23156 * alpha.md (call value patterns): Remove the result predicates.
23158 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
23160 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
23163 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23165 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
23166 changed from extern char *, to extern PTR. Also fix typo in
23167 NEED_DECLARATION_REALLOC test.
23169 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
23171 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23173 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
23174 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
23175 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
23176 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
23178 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
23180 * cccp.c (pcfinclude): Likewise.
23182 * global.c (allocno_compare): Likewise.
23184 * haifa-sched.c (rank_for_schedule): Likewise.
23186 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
23188 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
23190 * stupid.c (stupid_reg_compare): Likewise.
23192 * tree.c (_obstack_allocated_p): Likewise.
23194 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
23196 1999-09-08 Bruce Korb autogen@linuxbox.com
23198 * Makefile.in: Give the hapless gperf user a hint about
23199 why "gperf -F" fails.
23201 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
23203 * lists.c: Include ggc.h.
23205 (init_EXPR_INSN_LIST_cache): Install it.
23207 * ggc-simple.c (init_ggc): Absorb the old init.
23208 (ggc_push_context): Use xcalloc.
23209 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
23210 (ggc_collect): Add [rvts] tags to the collection stats.
23212 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
23214 * cccp.c (main): Fix handling of -include and -imacros options.
23216 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
23218 * cpplib.c (cpp_push_buffer): Fix order of arguments.
23220 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23222 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
23225 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
23227 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
23228 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
23229 and SET_DEST. Update comment.
23231 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23233 * config/c4x/c4x.c: Include ggc.h.
23234 (c4x_add_gc_roots): New function.
23235 (c4x_override_options): Call c4x_add_gc_roots.
23237 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
23239 * defaults.h (TARGET_ESC): Move ...
23240 * system.h: ... here, where Linas had it in the first place. Silly me.
23242 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
23244 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
23245 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
23246 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
23247 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
23248 * defaults.h (TARGET_ESC): Add default.
23250 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
23252 * configure.in: add i370-*-openedition, i370-*-mvs and
23253 i370-*-linux targets
23255 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
23257 * dsp16xxx.c: Include ggc.h
23258 (override_options): Mark GC roots.
23259 * mn10200.c: Include ggc.h.
23260 (asm_file_start): Mark GC roots.
23261 * tahoe.c: Include ggc.h.
23262 (extensible_operand): Mark GC roots.
23264 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
23266 * README: Add section discussing status of ELF ABI.
23267 * i370.c: Fix misc spelling mistakes.
23268 (i370_label_scan): Updated notes, exception handling.
23269 (i370_function_prolog): Simplify ELF stack handling.
23270 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
23271 (STACK_GROWS_DOWNWARD): ELF stack grows down.
23272 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
23273 * i370.md: (movdi): Add notes.
23274 (floatsidf2): Use stack not rtca for scratch float area.
23275 (iorsi3): Correct operand constraints.
23276 * x-oe: Restore TAROUTOPTS which are used by pax.
23278 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
23280 * rs6000.c: Include ggc.h.
23281 (rs6000_add_gc_roots): New function.
23282 (override_options): Call it.
23284 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
23286 * alpha.h (alpha_compare): New.
23287 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
23288 * alpha.c: Likewise for the definitions.
23289 (alpha_emit_conditional_branch): Update for alpha_compare.
23290 (alpha_emit_conditional_move): Likewise.
23291 * alpha.md (cmpdf, cmpdi): Likewise.
23292 (setcc patterns): Likewise. Zero alpha_compare after use.
23293 (sne): Optimize (x != 0) into (0U < x).
23295 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
23297 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
23298 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
23299 (INIT_EXPANDERS): Remove.
23300 * alpha.c: Include ggc.h.
23301 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
23302 (alpha_init_machine_status, alpha_mark_machine_status): New.
23303 (override_options): Install them.
23304 (struct machine_function): Moved to alpha.h.
23305 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
23306 (alpha_init_expanders): Remove.
23307 (alpha_return_addr): Adjust to use current_function->machine.
23308 (alpha_ra_ever_killed): Likewise.
23309 (alpha_expand_epilogue): Likewise.
23310 * alpha.md (eh_epilogue): Likewise.
23312 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
23313 Melissa O'Neill <oneill@cs.sfu.ca>
23314 Geoffrey Keating <geoffk@cygnus.com>
23316 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
23317 call-used registers (call-saved registers must still be contiguous
23318 and end with r31, of course).
23320 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
23322 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
23323 (self_promoting_type_p): Delete.
23324 (self_promoting_args_p): Move ...
23325 * c-common.c: ... here.
23326 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
23327 (simple_type_promotes_to): New.
23328 * builtins.c (lang_type_promotes_to): New.
23329 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
23330 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
23331 * c-common.h: ... here.
23332 (self_promoting_args_p, simple_type_promotes_to): Declare.
23333 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
23334 (grokdeclarator): Likewise.
23335 * tree.h (lang_type_promotes_to): Declare.
23337 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
23339 Add some machine-dependent GC roots.
23340 * sparc.c: Include ggc.h.
23341 (sparc_add_gc_roots): New function.
23342 (mark_ultrasparc_pipeline_state): Likewise.
23343 (override_options): Call sparc_add_gc_roots.
23344 * pa.c: Include ggc.h.
23345 (pa_add_gc_roots): New function.
23346 (mark_deferred_plabels): Likewise.
23347 (override_options): Call pa_add_gc_roots.
23348 * mips.c: Include ggc.h.
23349 (mips_add_gc_roots): New function.
23350 (override_options): Use it.
23352 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23354 * cpperror.c (cpp_file_line_for_message): Constify a char*.
23356 * cppexp.c (parse_number, parse_charconst, cpp_lex,
23357 cpp_parse_expr): Add static prototypes.
23358 (parse_charconst): Don't cast away const-ness.
23359 (token): Constify a char*.
23361 * cppfiles.c (file_name_list, include_hash, find_include_file,
23362 finclude, initialize_input_buffer): Constify a char*.
23363 (file_cleanup, find_position): Add static prototypes.
23365 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
23366 collect_expansion): Add static prototypes.
23367 (cpp_install, create_definition, monthnames): Constify a char*.
23369 * cpphash.h (cpp_install): Likewise.
23371 * cppinit.c (known_suffixes, default_include,
23372 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
23373 (base_name, dump_special_to_buffer, initialize_dependency_output):
23374 Add static prototypes.
23376 * cpplib.c (my_strerror): Constify a char*.
23377 (null_underflow, null_cleanup, skip_comment, copy_comment,
23378 copy_rest_of_line, handle_directive, pass_thru_directive,
23379 get_directive_token, read_line_number, cpp_print_file_and_line,
23380 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
23381 v_cpp_warning_with_line, detect_if_not_defined,
23382 consider_directive_while_skipping): Add static prototypes.
23383 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
23384 cpp_pedwarn_with_file_and_line): Constify a char*.
23386 * cpplib.h (cpp_options, include_hash, progname, definition,
23387 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
23388 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
23389 find_include_file, deps_output, include_hash): Constify a char*.
23391 * cppmain.c (progname): Constify.
23392 (main): Add prototype. Use return, not exit.
23394 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
23395 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
23396 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
23397 check_protection): Add static prototype.
23399 (progname, recognized_macrom, recognized_extern): Constify a char*.
23400 (main): Add prototype.
23402 * gen-protos.c (progname): Constify a char*.
23404 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
23406 * emit-rtl.c (free_emit_status): Take decl as a parameter.
23407 (init_emit_once): Add more GC roots.
23408 * except.c (mark_func_eh_entry): New function.
23409 (mark_eh_node): Mark false_label and rethrow_label.
23410 (init_eh): Add more GC roots.
23411 * function.c (free_after_compilation): Take decl as a paramter.
23412 Call free_stmt_status.
23413 (mark_function_state): Don't assume x_parm_reg_stack_loc is
23415 * function.h (free_after_compilation): Change prototype.
23416 (free_varasm_status): Likewise.
23417 (free_emit_status): Likewise.
23418 (free_stmt_status): New function.
23419 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
23420 Remove, replacing with ...
23421 (ggc_status): New structure.
23422 (ggc_chain): New variable.
23423 (init_gcc): Define.
23424 (ggc_push_context): New function.
23425 (ggc_pop_context): Likewise.
23426 (ggc_alloc_rtx): Adjust for use of ggc_chain.
23427 (ggc_alloc_rtvec): Likewise.
23428 (ggc_alloc_tree): Likewise.
23429 (ggc_alloc_string): Likewise.
23430 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
23431 (ggc_mark_tree): Give language-dependent code a chance to mark
23433 (ggc_mark_tree_varray): Handle empty arrays.
23434 (ggc_collect): Adjust for use of ggc_chain. Clear
23435 bytes_alloced_since_last_gc.
23436 * ggc.h (ggc_pop_context): New function.
23437 (ggc_push_context): Likewise.
23438 * print-tree.c (print_node): Don't print obstacks when GC'ing.
23439 * stmt.c (free_stmt_status): New function.
23440 (init_stmt_for_function): Clear last_expr_value.
23441 * toplev.c (rest_of_compilation): Always call free_after_compilation.
23442 Conditionalize call to ggc_collect.
23443 (main): Call init_ggc.
23444 * tree.c (push_obstacks): Do the push, even when GC'ing.
23445 (push_obstacks_nochange): Likewise.
23446 (pop_obstacks): Liekwise.
23447 * varasm.c (free_varasm_status): Take decl as a parameter.
23449 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
23451 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
23452 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
23453 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
23454 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
23456 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
23458 * pa/x-pa-mpeix: New file for the MPE port.
23460 * pa/quadlib.asm: New file for long double support.
23462 * configure.in: Add hppa1.0-*-mpeix for MPE port.
23463 * configure: Rebuilt.
23465 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
23467 * final.c (shorten_branches): Fix last change.
23469 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
23471 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
23473 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
23475 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
23478 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23480 * c-aux-info.c (concat): Don't define.
23482 * cccp.c (my_strerror): Likewise. All callers changed to use
23484 (do_include): Call xstrdup, not xmalloc/strcpy.
23485 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
23486 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
23488 * collect2.c (my_strsignal): Likewise. All callers changed to use
23490 (locatelib): Call xstrdup, not xmalloc/strcpy.
23492 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
23494 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
23496 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
23498 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
23500 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
23502 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
23504 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
23506 (find_all_handler_type_matches): Likewise. Don't check return
23508 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
23509 xmalloc, not malloc.
23510 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
23512 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
23513 (init_spec): Call xcalloc, not xmalloc/bzero.
23514 (set_spec): Call xstrdup, not save_string.
23515 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
23516 (find_a_file): Call xstrdup, not xmalloc/strcpy.
23517 (process_command): Call xstrdup, not save_string.
23518 (main): Call xcalloc, not xmalloc/bzero.
23520 * gcov.c (xmalloc): Don't define.
23521 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
23522 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
23523 (output_data): Call xcalloc, not xmalloc/bzero.
23525 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
23527 * mips-tdump.c (xmalloc): Don't define.
23528 (print_symbol): Call xmalloc, not malloc.
23529 (read_tfile): Call xcalloc, not calloc.
23531 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
23532 Don't define. All callers of xfree/my_strsignal changed to use
23533 free/strsignal instead.
23534 (allocate_cluster): Call xcalloc, not calloc.
23536 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
23537 Fix memory leak, free allocated memory.
23539 * prefix.c (translate_name): Call xstrdup, not save_string.
23540 (update_path): Likewise.
23542 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
23544 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
23545 Don't define. Callers of xfree/savestring2 changed to use
23546 free/concat instead.
23548 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
23549 (init_elim_table): Likewise.
23551 * resource.c (init_resource_info): Likewise.
23553 * stupid.c (stupid_life_analysis): Likewise.
23555 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
23556 (open_dump_file): Call concat, not xmalloc/strcpy/...
23557 (clean_dump_file): Likewise.
23558 (compile_file): Call xstrdup, not xmalloc/strcpy.
23560 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
23562 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
23563 * v850.c (v850_va_arg): New.
23565 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23567 * haifa-sched.c: Tidy comments.
23569 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23571 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
23572 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
23573 $(out_object_file)): Depend on ggc.h.
23574 * c-common.c: Include "ggc.h".
23575 (combine_strings): If doing GC, use ggc_alloc_string.
23576 * c-decl.c: Include "ggc.h".
23577 (ggc_p): Define with value 0.
23578 (mark_binding_level): New function.
23579 (init_decl_processing): Add GC roots.
23580 (mark_c_function_context): New function.
23581 (lang_mark_false_label_stack): New function.
23582 (lang_mark_tree): New function.
23583 (lang_cleanup_tree): New function.
23584 * c-lang.c: Include "ggc.h".
23585 (lang_init): Call c_parse_init.
23586 * c-lex.c: Include "ggc.h".
23587 (check_linenum): If doing GC, don't copy filenames to permanent
23589 * c-parse.in: Include "ggc.h".
23590 (c_parse_init): New function.
23591 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
23592 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
23594 * except.c (mark_eh_state): Mark more state.
23595 * function.c (mark_function_state): Likewise.
23596 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
23597 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
23598 * toplev.c (mark_file_stack): New function.
23599 (compile_file): If doing GC, use ggc_alloc_string on input filename.
23600 (main): Add root for input_file_stack.
23602 * i386.c: Include "ggc.h".
23603 (ix86_mark_machine_status): New function.
23604 (override_options): Set mark_machine_status.
23606 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23608 * tree.c (copy_node): Copy node contents also if doing GC.
23610 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23612 * collect2.c (scan_libraries): Fix double-thinko :-).
23614 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
23616 * collect2.c (scan_libraries): Fix thinko.
23618 * cse.c (delete_trivially_dead_insns): Do not skip the last
23619 insn if it is a real insn.
23621 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
23623 * Makefile.in (ggc-simple.o): Depend on hash.h.
23624 * ggc.h (ggc_add_tree_hash_table_root): Declare.
23625 (ggc_mark_tree_varray): Likewise.
23626 (ggc_mark_tree_hash_table): Likewise.
23627 * ggc-simple.c: Include hash.h.
23628 (ggc_mark_tree_hash_table_ptr): New function.
23629 (ggc_mark_tree_hash_table_entry): Likewise.
23630 (ggc_mark_tree_hash_table): Likewise.
23631 (ggc_add_tree_hash_table_root): Likewise.
23632 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
23633 rtx, when defining fields.
23635 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23637 * profile.c (output_func_start_profiler): Remove apparently
23638 nonsensical call to start_sequence.
23640 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
23642 * clipper/clipper.c (clipper_va_start): Fix typos.
23644 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
23645 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
23646 (spur_va_arg): New stub.
23648 * configure.in: Comment out pyramid.
23650 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
23652 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
23653 don't conflict with the bits that win32, cygwin, and dgux
23656 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
23657 Bernd Schmidt <bernds@cygnus.co.uk>
23659 * integrate.c (function_cannot_inline_p): Do not inline
23660 functions with forced labels.
23662 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
23663 Bernd Schmidt <bernds@cygnus.co.uk>
23664 Mark Mitchell <mark@codesourcery.com>
23666 * Makefile.in (ggc-simple.o): Depend on varray.h.
23667 (rtl.o): Depend on ggc.h.
23668 (genattrtab.o): Depend on ggc.h.
23669 (print-tree.o): Likewise.
23670 (fold-const.o): Likewise.
23671 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
23672 (make_insn_raw): Don't cache insns when GC'ing.
23673 (emit_insn_before): Likewise.
23674 (emit_insn_after): Likewise.
23675 (emit_insn): Likewise.
23676 (start_sequence): Use xmalloc to allocate the sequence_stack.
23677 (end_sequence): Add free to free it.
23678 (gen_sequence): Don't cache insns when GC'ing.
23679 (clear_emit_caches): Don't use sequence_element_free_list.
23680 (init_emit): Use xcalloc, not xmalloc+bzero.
23681 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
23682 * function.c (pop_function_context_from): Use free to free the
23683 fixup_var_refs_queue.
23684 (put_reg_into_stack): Allocate it with xmalloc.
23685 * genattrtab.c: Include ggc.h.
23686 (operate_exp): Don't use obstack_free when GC'ing.
23687 (simplify_cond): Likewise.
23688 (simplify_text_exp): Likewise.
23689 (optimize_attrs): Likewise.
23690 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
23692 (gencode): Generate a #include for ggc.h.
23693 * ggc-callbacks.c (ggc_p): Define it to zero.
23694 * ggc-none.c (ggc_p): Likewise.
23695 * ggc-simple.c: Include varray.h.
23696 (ggc_mark_tree_varray): New function.
23697 (ggc_add_tree_varray_root): Likewise.
23698 (ggc_mark_tree_varray_ptr): Likewise.
23699 * ggc.h (ggc_p): Declare.
23700 (varray_head_tag): Likewise.
23701 (ggc_add_tree_varray_root): Declare.
23702 * print-tree.c (print_node): Don't check for TREE_PERMANENT
23703 inconsistencies when GC'ing.
23704 * rtl.c: Include ggc.h.
23705 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
23706 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
23707 (rtx_free): Don't call obstack_free when GC'ing.
23708 * toplev.c (rest_of_compilation): Call ggc_collect after every
23710 * tree.c (push_obstacks): Do nothing, if GC'ing.
23711 (pop_obstacks_nochange): Likewise.
23712 (pop_obstacks): Likewise.
23713 (make_node): Use ggc_alloc_tree when GC'ing.
23714 (copy_node): Likewise.
23715 (get_identifier): Use ggc_alloc_string when GC'ing.
23716 (build_string): Likewise.
23717 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
23718 (tree_cons): Likewise.
23719 (build1): Likewise.
23720 (type_hash_canon): Don't call obstack_free when GC'ing.
23722 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
23724 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
23725 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
23727 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
23728 Bernd Schmidt <bernds@cygnus.co.uk>
23729 Mark Mitchell <mark@codesourcery.com>
23731 * Makefile.in (stor-layout.o): Depend on ggc.h.
23732 (expr.o): Depend on ggc.h.
23733 (profile.o): Depend on ggc.h.
23734 (stor-layout.o): Depend on ggc.h.
23735 * emit-rtl.c (init_emit_once): Add gc roots.
23736 * expr.c: Include ggc.h.
23737 (emit_block_move): Add gc roots.
23738 (clear_storage): Likewise.
23739 * expr.h (init_stor_layout_once): New function.
23740 * profile.c: Include ggc.h.
23741 (init_arc_profiler): profiler_label is a root.
23742 * scan.c (make_sstring_space): Trust xrealloc to function
23743 correctly with first parameter NULL.
23744 * stor-layout.c: Include ggc.h.
23745 (set_sizetype): Add gc root.
23746 (init_stor_layout_once): New function.
23747 * toplev.c (compile_file): Call it.
23749 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
23750 Bernd Schmidt <bernds@cygnus.co.uk>
23751 Mark Mitchell <mark@codesourcery.com>
23753 * Makefile.in (tree.o): Depend on ggc.h.
23754 (varasm.o): Likewise.
23755 (function.o): Likewise.
23756 (stmt.o): Likewise.
23757 (except.o): Likewise.
23758 (optabs.o): Likewise.
23759 (emit-rtl.o): Likewise.
23760 * emit-rtl.c: Include ggc.h.
23761 (sequence_element_free_list): Remove, and all references.
23762 (mark_sequence): New functions.
23763 (mark_emit_state): New function.
23764 * except.c: Include ggc.h.
23765 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
23766 (mark_tree_label_node): New functions.
23767 (mark_eh_state): New function.
23768 * function.c: Include ggc.h.
23769 (mark_temp_slot, mark_function_chain): New functions.
23770 (mark_function_state): New function.
23771 (init_function_once): New function.
23772 * function.h (init_function_once): New function.
23773 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
23774 * ggc.h (label_node): Declare.
23775 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
23776 (lang_mark_false_label_stack): New function.
23777 (mark_temp_slot): Remove declaration.
23778 (mark_function_chain): Likewise.
23779 (mark_eh_state): Adjust prototype.
23780 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
23782 * optabs.c: Include ggc.h.
23783 (mark_optab): New function.
23784 (init_optabs): Add gc roots.
23785 * stmt.c: Include ggc.h.
23786 (mark_cond_nesting, mark_loop_nesting): New functions.
23787 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
23788 (mark_stmt_state): New function.
23789 * toplev.c (compile_file): Call init_function_once.
23790 * tree.c: Include ggc.h.
23791 (type_hash): Move declaration earlier in file.
23792 (TYPE_HASH_SIZE, type_hash_table): Likewise.
23793 (init_obstacks): Add gc roots.
23794 (mark_type_hash): New function.
23795 * varasm.c: Include ggc.h.
23796 (mark_pool_constant): New function.
23797 (mark_varasm_state): New function.
23799 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23801 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
23803 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23805 * c-decl.c (struct language_function): Renamed from struct c_function.
23807 (c_function_chain): Delete.
23808 (push_c_function_context): New arg F. Don't warn about nested
23809 functions here. Fill LANGUAGE elt of F. Delete code to update
23810 c_function_chain. Don't call push_function_context.
23811 (pop_c_function_context): New arg F. Restore from there instead of
23812 from c_function_chain. Don't call pop_function_context. Clear out
23813 LANGUAGE field of F when done.
23814 * c-lang.c: Include "function.h"
23815 (lang_init): Initialize save_lang_status and restore_lang_status.
23816 * c-parse.in (nested_function, nested_function_notype): Warn about
23817 nested functions. Call push_function_context/pop_function_context
23818 instead of the _c_ variants.
23819 * c-tree.h (push_c_function_context, pop_c_function_context): Update
23821 * Makefile.in (c-lang.o): Update dependencies.
23823 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
23824 regno_pointer_flag, regno_pointer_align.
23825 (gen_reg_rtx): Use xrealloc to enlarge them.
23826 (free_emit_status): New function.
23827 * function.c (mark_machine_status, mark_lang_status): New variables.
23828 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
23829 in some bits from assign_stack_local. All callers changed to use new
23831 (assign_stack_local): Just call assign_stack_local_1.
23832 (free_after_compilation): New function.
23833 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
23834 (trampoline_address): Likewise.
23835 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
23836 (prepare_function_start): Explicitly clear some more variables.
23837 * function.h (struct function): New elt can_garbage_collect.
23838 (mark_machine_status, mark_lang_status): Declare variables.
23839 (free_after_compilation, free_emit_status, free_varasm_status,
23840 init_varasm_status): Declare functions.
23841 * toplev.c (rest_of_compilation): Call free_after_compilation when
23842 done with the current function.
23843 * varasm.c (free_varasm_status): New function.
23845 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
23847 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
23848 (EXPAND_BUILTIN_VA_ARG): Define.
23849 * sparc.c (sparc_va_start): New.
23850 (sparc_va_arg): New.
23852 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23854 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
23856 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23858 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
23860 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
23862 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
23863 (OBJS): Add $(GGC).
23864 (ggc-callbacks.o): New target.
23865 * ggc-callbacks.c: New file.
23867 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23869 * expr.h: Collapse individual optab and libfunc vars to arrays.
23870 (optab_index, libfunc_index): New enumerations.
23871 (optab_table, libfunc_table): New arrays.
23872 Add accessor macros for both.
23874 * optabs.c (optab_table, libfunc_table): New.
23875 Delete declarations for individual optab and libfunc vars.
23877 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
23879 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
23881 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
23883 * Makefile.in (GGC, GGC_LIB): New.
23884 (HOST_RTL): Include ggc-none.o.
23885 (ggc-simple.o): New target.
23886 (ggc-none.o): Likewise.
23887 * tree.h (tree_common): Add gc_mark.
23888 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
23889 (struct rtvec_def): Add gc_mark.
23890 * emit-rtl.c (global_rtl): Update static initializers to contain
23891 enough initializers.
23892 * ggc.h, ggc-none.c, ggc-simple.c: New files.
23893 * toplev.c (gc_time): New variable.
23894 (all_time): New variable.
23895 (compile_file): Print gc time.
23896 (print_time): Calculate percentage of the whole.
23898 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23900 Change obstack memory management and varasm constant pool handling so
23901 that nested functions are treated like any other functions.
23902 * function.c (init_machine_status): New variable.
23903 (push_function_context_to): Set contains_functions for the outer
23904 function. Don't call save_varasm_status.
23905 (pop_function_context_from): Don't call restore_varasm_status. Don't
23906 set current_function_contains_functions.
23907 (prepare_function_start): Call init_varasm_status rather than
23908 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
23910 * function.h (struct function) Add field varasm. Delete fields
23911 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
23912 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
23913 (init_machine_status): Declare.
23914 (save_varasm_status, restore_varasm_status): Delete declarations.
23915 (save_tree_status, restore_tree_status): Delete last argument.
23916 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
23917 code. All callers changed.
23918 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
23919 save_constants_in_decl_trees, restore_constants, save_constants,
23920 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
23922 (inlining): New variable.
23923 (reg_map, label_map, insn_map, orig_asm_operands_vector,
23924 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
23926 (save_for_inline_nocopy): Don't save constants.
23927 Don't set inl_emit field in current_function.
23928 (expand_inline_function): Use emit field, not inl_emit, of the inlined
23929 function. Set new variable inlining before
23930 calling copy_rtx_and_substitute.
23931 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
23932 constant pool references if inlining is nonzero.
23933 Delete ADDRESS and (most of the) CONST cases.
23934 (output_inline_function): Save and restore current_function/
23935 current_function_decl. Delete restore_constants code. Don't call
23936 init_const_rtx_hash_table.
23937 * output.h (init_const_rtx_hash_table): Don't declare.
23938 * rtl.h (struct function): Declare.
23939 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
23940 * toplev.c (rest_of_compilation): Don't treat nested functions or
23941 functions containing them specially. Delete all code to deal with
23942 save_for_inline_copying.
23943 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
23944 inline_obstacks): Delete variables.
23945 (save_tree_status): Lose arg CONTEXT. All callers changed.
23946 Simply allocate a new function_maybepermanent_obstack for the new
23947 function, delete all the special cases.
23948 Don't save inline_obstacks.
23949 (restore_tree_status): Lose arg CONTEXT. All callers changed.
23950 Delete special handling for function_maybepermanent_obstack; simply
23952 Don't restore inline_obstacks.
23953 (permanent_allocation): Delete code that frees inline_obstacks.
23954 (print_inline_obstack_statistics): Delete function.
23955 (dump_tree_statistics): Don't call it.
23956 * varasm.c (struct varasm_status): New.
23957 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
23958 last_pool, pool_offset, const_double_chain): Delete global
23959 variables, replace with accessor macros.
23960 (immed_double_const): Don't walk const_double_chain outside a
23961 function, but don't treat nested functions specially anymore.
23962 (immed_real_const_1): Likewise.
23963 (clear_const_double_mem): Don't treat nested functions specially.
23964 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
23965 (save_varasm_status, restore_varasm_status): Delete functions.
23966 (init_varasm_status): New function.
23967 (force_const_mem): Don't treat nested functions specially.
23968 (find_pool_constant): Accept new arg F, search for constants in
23969 that function's pool rather than the current one. All callers
23971 (get_pool_constant_for_function, get_pool_mode_for_function): New
23974 * i386.c (init_386_machine_status): New function, mostly from
23975 clear_386_stack_locals.
23976 (struct machine_functions): Rename element names to avoid name
23978 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
23979 macros, replacing global variables.
23980 (clear_386_stack_locals, save_386_machine_status,
23981 restore_386_machine_status): Delete functions.
23982 (override_options): Initialize init_machine_status.
23983 * i386.h (INIT_EXPANDERS): Delete macro.
23984 (save_386_machine_status, restore_386_machine_status,
23985 clear_386_stack_locals): Delete declarations.
23987 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23989 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
23990 (doloop_begin): Simplify pattern and use emit_jump_insn.
23991 (doloop_end): Simplify pattern, switch operand order,
23992 and use emit_jump_insn.
23994 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
23996 * function.h (struct function): Add new element LANGUAGE.
23997 (save_lang_status): Declare new variable.
23998 (restore_lang_status): Likewise.
23999 * function.c (save_lang_status): Define.
24000 (restore_lang_status): Likewise.
24001 (push_function_context_to): Call language-specific save function.
24002 (pop_function_context_from): Call language-specific restore function.
24004 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
24006 * i386.md (movsf_1): Check REG_P before use of REGNO.
24007 (movdf_1): Likewise.
24008 (movxf_1): Likewise.
24009 (extendsfdf2): Likewise.
24010 (extendsfxf2): Likewise.
24011 (extenddfxf2): Likewise.
24013 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24015 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
24016 constants into memory.
24017 (c4x_shiftable_constant): New function.
24018 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
24019 (c4x_shiftable_constant): Declare.
24020 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
24021 ashlqi3_noclobber): Add new patterns and associated splitters.
24023 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
24025 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
24026 * dwarf2out.c (dwarf2out_frame_init): Likewise.
24027 * final.c (shorten_branches): Likewise.
24028 * global.c (global_alloc): Likewise.
24029 * haifa-sched.c (build_control_flow): Likewise.
24030 * stmt.c (check_for_full_enumeration_handling): Likewise.
24031 (estimate_case_costs): Likewise.
24033 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
24035 * rtl.h (RTL_CHECKC2): Fix typo in last change.
24037 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
24039 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
24040 (recompute_reg_usage): Likewise.
24041 * rtlanal.c (find_regno_fusage): Likewise.
24043 * rtl.c (rtl_check_failed_code1): New function.
24044 (rtl_check_failed_code2): New.
24045 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
24046 (RTL_CHECKC1, RTL_CHECKC2): New.
24047 (XC*): New accessor macros.
24048 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
24049 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
24050 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
24051 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
24052 (TRAP_*, RANGE_INFO_*): Likewise.
24054 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24056 * Makefile.in (tlink.o): Don't depend on toplev.h.
24058 * collect2.c (c_file, o_file, export_file, import_file, ldout,
24059 output_file, nm_file_name, ldd_file_name, strip_file_name,
24060 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
24061 add_prefix, prefix_from_env, prefix_from_string, do_wait,
24062 fork_execute, maybe_unlink, add_to_list,
24063 extract_init_priority, write_list, dump_list,
24064 dump_prefix_list, write_list_with_asm, write_c_file,
24065 write_c_file_stat, write_c_file_glob, scan_prog_file,
24066 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
24067 ignore_library, extract_string, notice, dump_file, target_machine,
24068 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
24069 read_file, print_load_command): Constify a char*.
24070 (fdopen, error, fatal, fatal_perror): Don't prototype.
24071 (my_strerror): Remove. All callers use xstrerror instead.
24072 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
24073 (main): Add prototype. Constify lots of char* ptrs. Change calls
24074 to xcalloc/strcpy/strcat/... to one call to concat.
24075 (main, scan_prog_file, scan_libraries): Use an intermediate
24076 `const char **' to build an argv array.
24077 (mapfile, libselect, libcompare, locatelib): Add prototypes.
24079 * collect2.h (collect_execute, collect_wait, dump_file,
24080 file_exists): Constify a char*.
24081 (ldout, c_file_name, temporary_obstack, permanent_obstack,
24082 temporary_firstobj, vflag, debug): Add extern declarations.
24083 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
24085 * tlink.c: Don't include toplev.h.
24086 (vflag, debug, ldout, c_file_name, temporary_obstack,
24087 permanent_obstack, temporary_firstobj): Don't declare.
24088 (tlink_execute, frob_extension, symbol_hash_lookup,
24089 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
24090 recompile_files, read_repo_files, demangle_new_symbols,
24091 scan_linker_output): Constify a char*.
24092 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
24093 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
24095 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
24097 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
24098 (relative) rather than jsr (absolute) subroutine call insns.
24099 * config/m68k/m68k-coff.h: Ditto.
24101 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
24103 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
24104 now rework these too.
24105 (arm_reorg): If an insn can't reach the end of the current pool,
24106 ensure that we emit that pool before the insn.
24108 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
24110 * tlink.c (scan_linker_output): Skip the initial underscore in
24111 a mangled name if appropriate.
24113 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24115 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
24116 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
24117 error_with_ivar, gen_declarator, create_builtin_decl,
24118 my_build_string, generate_descriptor_table, generate_ivars_list,
24119 generate_dispatch_table, check_protocols, TAG_GETCLASS,
24120 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
24121 dump_base_name, lang_decode_option, build_encode_expr,
24122 start_class, finish_class, encode_pointer, really_start_method,
24123 gen_declaration, dump_interface, handle_class_ref, handle_impent):
24125 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
24126 Add static prototypes.
24127 (build_objc_string_decl, build_selector_reference_decl,
24128 encode_bitfield, build_class_reference_decl): Remove unused
24129 parameter, all callers changed.
24130 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
24131 (objc_printable_name): Likewise. Change second parameter to type int.
24132 (init_objc): Use memcpy, not bcopy, to avoid casts.
24134 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
24136 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
24137 reg notes on a deleted insn.
24138 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
24140 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
24142 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
24144 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24146 * stmt.c (expand_asm_operands): Fix index into inout_mode when
24149 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
24151 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
24152 * tm.texi (MD_ASM_CLOBBERS): Document it.
24154 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
24156 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
24157 * except.c (expand_rethrow): Remove unused variable.
24158 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
24159 * flow.c (replace_insns): Likewise.
24160 (create_edge_list, verify_edge_list): Likewise.
24161 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
24163 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
24164 is special code to run.
24165 (main): Don't define operands to emit_operand.
24166 * genrecog.c (main): Don't emit an empty peephole2_insn function.
24168 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
24170 * alpha/alpha.h (normal_memory_operand): Declare.
24171 (reg_no_subreg_operand): Declare.
24172 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
24174 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
24176 * c-parse.in (compstmt_primary_start): New, broken out of first
24177 part of compstmt handling in primary.
24178 (primary): Use it. Add an error clause.
24179 (compstmt_nostart): Renamed from compstmt; remove all
24180 initial invocations of compstmt_start.
24183 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
24185 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
24188 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
24190 * combine.c (simplify_shift_const): Remove extra semicolon.
24191 * dwarf2out.c (remove_AT): Likewise.
24192 * expmed.c (expand_mult): Likewise.
24193 * gcov.c (create_program_flow_graph): Likewise.
24194 * reorg.c (mostly_true_jump): Likewise.
24196 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
24198 * fold-const.c (fold_range_test): Do not try to fold the range
24199 test if the rhs or lhs has side effects.
24201 * combine.c (simplify_rtx): Recognize another case of a synthesized
24204 * varasm.c (mark_constant_pool): When marking indirect references,
24205 only look at SYMBOL_REFs.
24207 * except.c (expand_fixup_region_end): Do not peek at
24208 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
24210 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
24212 * flags.h: New variables align_loops, align_loops_log,
24213 align_jumps, align_jumps_log, align_labels, align_labels_log,
24214 align_functions, align_functions_log.
24215 * toplev.c: Define them.
24216 (f_options): Handle -falign-* when they have no argument.
24217 (main): Add logic to set variables for -falign-functions,
24218 -falign-jumps, -falign-labels, -falign-loops.
24219 Make it -fsched-verbose=<n> and -finline-limit=<n>.
24220 (display_help): Change help to match options.
24221 * final.c (LABEL_ALIGN): Default to align_labels_log.
24222 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
24223 (LOOP_ALIGN): Default to align_loops_log.
24224 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
24225 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
24226 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
24227 * varasm.c (assemble_start_function): Handle align_functions.
24229 * config/sparc/sparc.h: Don't declare sparc_align_*.
24230 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
24231 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
24233 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
24235 * config/sparc/sparc.c: Delete sparc_align_loops,
24236 sparc_align_jumps, sparc_align_funcs and the corresponding string
24238 (sparc_override_options): Default align_functions on ultrasparc.
24239 Delete -malign-* handling.
24241 * config/mips/mips.c (override_options): On 64-bit targets,
24242 try to align code to 64-bit boundaries.
24243 (print_operand): New substitution, %~,
24244 which aligns labels to align_labels_log.
24245 * config/mips/mips.md (div_trap_normal): Use %~.
24246 (div_trap_mips16): Likewise.
24248 (absdi2): Likewise.
24249 (ffssi2): Likewise.
24250 (ffsdi2): Likewise.
24251 (ashldi3_internal): Likewise.
24252 (ashrdi3_internal): Likewise.
24253 (lshrdi3_internal): Likewise.
24254 (casesi_internal): Likewise.
24256 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
24258 Merge new ia32 backend from the branch!
24260 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
24261 See ChangeLog.P2 on new_ia32_branch for details.
24263 * rtl.h (stack_regs_mentioned_p): Delete prototype.
24264 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
24265 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
24266 * i386/gas.h (ASM_FILE_START): Define.
24267 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
24268 for name change of ix86_valid_decl_attribute_p.
24269 (i386_pe_valid_type_attribute_p): Similarly.
24271 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
24273 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
24274 to step through CC modes.
24276 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24278 * regmove.c (fixup_match_1): Don't move INSN in front of P if
24279 it would end up in the shadow of a live flags regsiter.
24281 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24283 * reload1.c: Fix many indentation problems.
24284 * reload.c: Likewise.
24286 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
24288 * alias.c (non_local_reference_p): Constify fmt.
24290 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
24292 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
24294 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
24296 * cse.c (delete_trivially_dead_insns): Do not delete stores to
24297 the internal_arg_pointer.
24299 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
24301 Merge peephole2 from new_ia32_branch:
24302 * Makefile.in (STAGESTUFF): Add *.peephole2.
24303 (mostlyclean): Likewise.
24304 (recog.o): Depend on resource.h.
24306 * final.c (peephole): Conditionalize decl on HAVE_peephole.
24307 (final_scan_insn): Likewise for the invocation of peephole.
24308 * genconfig.c (main): Look for peephole and peephole2 patterns.
24309 Emit HAVE_peephole* accordingly.
24310 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
24311 * flags.h (flag_peephole2): Declare.
24312 * toplev.c: New pass peephole2. New flag -fpeephole2.
24314 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
24315 * gencodes.c (main): Likewise.
24316 * genextract.c (main): Likewise.
24317 * genoutput.c (main): Likewise.
24318 * genemit.c (max_operand_1): Look for the max scratch operand.
24319 (gen_rtx_scratch): New.
24320 (gen_exp): Use it, and pass on new arg subroutine_type.
24321 (gen_expand): Take max scratch into account.
24322 (gen_split): Emit peephole2 functions.
24323 (output_peephole2_scratch): New.
24324 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
24325 * genrecog.c (routine_type): Add PEEPHOLE2.
24327 (make_insn_sequence): Match outer parallel for peep2. Discard
24328 top level scratches and dups.
24329 (add_to_sequence): New args insn_type and top. Update all callers.
24330 Handle toplevel peep2 matching insns.
24331 (write_subroutine): Handle peep2.
24332 (write_tree_1): Likewise.
24333 (write_tree): Likewise.
24335 (change_state): New arg afterward. Update all callers.
24336 Handle matching separate insns.
24337 * recog.c (recog_next_insn): New.
24338 (peephole2_optimize): New.
24339 * rtl.def (DEFINE_PEEPHOLE2): New.
24340 * resource.c (find_free_register): New argument last_insn. Use it
24341 to find a register available through the entire span.
24342 * resource.h (find_free_register): Update prototype.
24344 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
24346 * i386.c (output_strlen_unroll): Don't write xops[7]
24347 label if it wasn't set.
24349 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
24351 * cpplib.c (struct directive): Const-ify name pointer and
24352 function pointer prototype.
24353 (validate_else, do_define, do_line, do_include, do_undef,
24354 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
24355 do_elif, do_endif, do_sccs, do_assert, do_unassert,
24356 do_warning): Const-ify second arg.
24357 (directive_table): Mark const. Reorder entries by frequency
24358 of usage, record statistics.
24360 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
24362 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
24363 bounds- check RTL accesses if --enable-checking.
24364 (RTVEC_ELT): Bounds check if --enable-checking.
24365 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
24366 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
24367 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
24369 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
24370 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
24372 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
24373 (NOTE_SOURCE_FILE): Use X0STR.
24374 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
24375 MEM_ALIAS_SET): Use X0INT.
24376 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
24377 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
24379 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
24380 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
24381 (rtl_check_failed_bounds, rtl_check_failed_type1,
24382 rtl_check_failed_type2, rtvec_check_failed_bounds): New
24384 (fancy_abort): Fix comment.
24386 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
24387 (cse_insn): Decrement LABEL_NUSES for jump target before
24388 deleting jump insn.
24389 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
24390 * final.c (alter_subreg): Compute regno before changing x to
24391 REG; set REGNO(x) after changing it.
24392 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
24393 notes containing CONST_INTs.
24394 (delete_eh_regions): Use NOTE_EH_HANDLER.
24395 * function.c (put_reg_into_stack): Make reg a MEM before
24397 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
24399 (gen_mem_addressof): Make reg a MEM before initializing it.
24400 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
24402 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
24403 deleting an insn, not after.
24404 (block_alloc): Only look at PATTERN(insn) if we have to, and
24405 only if it's format class 'i'.
24406 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
24407 CONST_INT before using its INTVAL.
24408 * print-rtl.c (print_rtx): Use X0STR.
24409 * regmove.c (fixup_match_1): Don't look at PATTERN of
24410 non-class-'i' insn chain elements.
24411 * reload.c (loc_mentioned_in_p): Take address of
24412 in->fld[1].rtx directly.
24413 * reload1.c (reload): Change reg to a MEM before initializing
24415 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
24417 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
24419 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
24421 * config/mips/mips.c (machine_dependent_reorg): Force a
24422 barrier to output the local constant pool if a barrier hasn't
24423 been found at a natural point in the instruction stream.
24425 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24427 * c-parse.in (language_string): Constify.
24429 * dwarf2out.c (language_string): Remove declaration.
24431 * dwarfout.c (language_string): Likewise.
24433 * toplev.c (language_string, init_parse, finish_parse): Likewise.
24435 * tree.h (language_string, init_parse, finish_parse): Declare.
24437 * i386/sun386.h (language_string): Remove declaration.
24439 * mips.h (language_string): Likewise.
24441 * nextstep.h (language_string): Likewise.
24443 * nextstep21.h (language_string): Likewise.
24445 * rs6000.c (language_string): Likewise.
24447 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24449 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
24450 (getpwd.o): Remove target.
24452 * getpwd.c: Delete file. Its in libiberty now.
24454 * dbxout.c (getpwd): Don't prototype.
24455 * dwarf2out.c (getpwd): Likewise
24456 * dwarfout.c (getpwd): Likewise
24457 * final.c (getpwd): Likewise.
24458 * protoize.c (getpwd): Likewise.
24460 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24462 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
24464 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
24466 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
24467 mark_set_resources.
24469 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
24471 * fixinc/Makefile.in (subdir): New.
24472 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
24475 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
24477 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
24478 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
24481 * invoke.texi: Fix typo.
24483 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
24484 changed. Handle autoincrement addressing modes.
24486 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
24487 just like we would the virtual incoming args register when
24490 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
24492 * rs6000.h (ASM_FILE_START): Specify complete filename, including
24493 path, in .file directive.
24495 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
24497 * gcc.texi (External Bugs): Remove obsolete note about Perl on
24500 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
24502 * stdbool.h: Make the typedef name _Bool, with bool a #defined
24505 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24507 * tree.c (tree_code_name): Constify a char*.
24509 * tree.h (tree_code_name, decl_printable_name): Likewise.
24511 * function.h (struct function): Likewise.
24513 * toplev.c (decl_name, decl_printable_name): Likewise.
24515 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
24517 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
24518 (init_objc): Remove function pointer cast.
24520 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
24522 * pa.md (interspace_jump): New pattern.
24523 (builtin_longjmp): New expander.
24525 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
24527 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
24528 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
24529 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
24531 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
24533 * jump.c (delete_prior_computation): Also check calls
24534 to constant functions. Don't bother checking for a
24535 REG_UNUSED note before adding it.
24536 (delete_computation): Handle multi-word hard registers
24537 when synthesizing missing REG_DEAD notes for a register
24538 which is both set and used by an insn.
24540 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
24542 * loop.c (this_loop_info): New variable.
24543 (loop_has_call, loop_has_volatile, loop_has_tablejump,
24544 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
24546 (prescan_loop, strength_reduce): New argument loop_info. All callers
24548 (scan_loop): New variable loop_info, initialise to address of
24550 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
24551 Delete variable loop_has_multiple_exit targets and replace with
24552 field in this_loop_info.
24553 (find_and_verify_loops): Rename this_loop to this_loop_num.
24554 (strength_reduce): Delete loop_iteration_info. Replace variable
24555 loop_info with function argument of same name.
24556 (insert_bct): Rework test for loop being completely unrolled.
24558 * loop.h (struct loop_info): New fields num, loops_enclosed,
24559 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
24560 has_indirect_jump, and cont. Redefine use of unroll_number.
24561 (loop_unroll_number): Delete.
24563 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
24564 field of loop_info.
24565 (loop_iterations): Delete variable vtop and instead use
24566 loop_info->vtop computed in prescan_loop.
24568 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
24570 * fix-header.c (main): Do not pass a null pointer to strcmp.
24572 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
24574 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
24576 * configure: Rebuilt.
24578 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
24580 * jump.c (jump_optimize_1): Do not delete assignments to
24581 internal_arg_pointer.
24582 * cse.c (delete_trivially_dead_insns): Always consider a set of
24583 the internal_arg_pointer live.
24585 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
24587 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
24588 (update_life_info) [REG_WAS_0]: Search the original insns rather
24589 than the new insns for the note. Fix typos finding note_dest.
24590 If no dest found, discard the note rather than abort.
24591 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
24592 (replace_insns): Remove the old insn list after update_life_info
24595 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
24597 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
24598 sched_analyze_insn.
24599 (sched_analyze_1): Let add_dependence care for not adding dups.
24600 (sched_analyze_2): Likewise.
24601 (add_branch_dependences): Likewise.
24603 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
24605 * i386/winnt.c (export_list): New type.
24606 (exports_head): Rename to
24607 (export_head): this.
24608 (i386_pe_record_exported_symbol): Add is_data flag.
24609 (i386_pe_asm_file_end): Emit directive for exported variables.
24610 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
24612 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
24613 (ASM_DECLARE_OBJECT_NAME): Likewise.
24614 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24615 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
24617 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
24619 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
24621 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
24624 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
24626 * config/openbsd.h: Define SET_ASM_OP.
24627 * tm.texi: cross-reference SET_ASM_OP in the index.
24629 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
24631 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
24632 for a CONST_DOUBLE, at compile time. Initialize rtx_length
24633 and class_narrowest_mode at compile time. Kill init_rtl.
24634 Mark rtx_length, mode_class, mode_size, mode_unit_size,
24635 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
24636 rtx_format as const. Kill all references to EXTRA_CC_MODES or
24638 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
24640 * rtl.h: Declare rtx_length and rtx_format as const.
24641 * machmode.def: Define CC(). Use CC() to define CCmode. If
24642 EXTRA_CC_MODES is defined, expand it here.
24643 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
24644 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
24645 const. Kill all references to EXTRA_CC_MODES.
24647 * toplev.c: Don't prototype or call init_rtl.
24648 * optabs.c: Don't call init_mov_optab.
24649 * genemit.c: Don't generate init_mov_optab. Don't call
24651 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
24653 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
24654 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
24655 genrecog.c: Don't call init_rtl.
24657 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
24658 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
24659 definition of EXTRA_CC_MODES.
24661 * md.texi: Kill ref to EXTRA_CC_NAMES.
24662 * tm.texi: Document new way to define EXTRA_CC_MODES.
24664 * genrecog.c: Do not look up the name of a define_split.
24665 (Unrelated bugfix.)
24667 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
24669 * config/v850/v850.md: Fix typo introduced by previous delta.
24671 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24673 * gcc.c (fatal): Make definition static to match prototype.
24675 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24677 * combine.c (get_last_value): Don't look for earlier sets if the last
24678 known set is somewhere in between the insns being combined.
24680 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
24682 * configure.in: Don't use shell ! to negate exit codes
24683 * configure: Regenerate
24685 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
24687 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
24688 the fact that ALIGN is measured in bits, not bytes.
24690 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
24692 * errors.c: New file; defines functions error, warning, and
24693 fatal, variables have_error and progname.
24694 * errors.h: New file; prototypes and decls for stuff in errors.c.
24696 * Makefile: Add rules to build errors.o and
24697 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
24698 genopinit, genrecog, genextract, genpeep, genattr, and
24699 genoutput with errors.o. Add errors.h to deps of genconfig.o,
24700 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
24701 genpeep.o, genattr.o, and genoutput.o.
24703 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
24704 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
24705 define or prototype fatal. Set progname at beginning of main.
24706 * genoutput.c: Likewise, and don't define or prototype error
24709 * c-typeck.c (c_expand_start_case): Return immediately if exp
24711 * fold-const.c (operand_equal_p): Return immediately if arg1
24712 or arg0 are ERROR_MARKs.
24713 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
24714 fields of type ERROR_MARK when calculating if the record can
24717 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
24718 with much help from Jeffrey A Law and Richard Henderson
24720 * i386.md: In the 6 insns which call output_fix_trunc,
24721 earlyclobber operands[0].
24723 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
24725 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
24726 creating new registers.
24728 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
24730 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
24731 i386_reg_alloc_order, i386_regparm_string,
24732 i386_align_loops_string, i386_align_jumps_string,
24733 i386_align_funcs_string, i386_preferred_stack_boundary_string,
24734 and i386_branch_cost_string as type "const char *".
24735 * i386.c: Define all above strings as type "const char *".
24737 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
24739 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
24740 when emitting alignment padding. Emit padding byte of 0 instead of 4.
24742 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
24744 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
24745 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
24747 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
24749 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
24750 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
24751 (dwarf2out_line, dwarf2out_finish): Likewise.
24752 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
24754 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
24756 * tree.c (lang_unsave_expr_now) : Correct return type.
24757 * tree.h (lang_unsave_expr_now) : Same.
24759 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
24761 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
24762 instead of duplicating code.
24764 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24766 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
24768 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
24770 * tree.h: fancy_abort always takes three args.
24771 * resource.c: Move include of system.h before toplev.h.
24773 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
24775 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
24778 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
24780 * system.h: Don't redefine abort or trim_filename.
24781 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
24782 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
24783 whether or not __FUNCTION__ is available.
24784 * tree.h: Duplicate rtl.h's definition of abort, for files
24785 that don't include rtl.h. Delete all code to perform type
24786 checking with a compiler other than GCC.
24787 * varray.h: Delete all code to perform type checking with a
24788 compiler other than GCC. Make VARRAY_CHECK() always evaluate
24789 its arguments exactly once, using a statement expression.
24790 Adjust the VARRAY_<type> accessor macros to match.
24791 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
24792 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
24793 caller's location. Define fatal_insn and fatal_insn_not_found
24794 as macros that use _fatal_insn and _fatal_insn_not_found.
24795 (fancy_abort, trim_filename): Kill prototypes.
24797 * rtl.c (trim_filename): Move here from toplev.c.
24798 (fancy_abort): New function.
24799 (DIR_SEPARATOR): Provide default definition.
24800 * tree.c (tree_check_failed, tree_class_check_failed): Go
24801 through fancy_abort.
24802 (tree_check, tree_class_check, cst_or_constructor_check,
24803 expr_check): Delete.
24804 * varray.c (varray_check_failed): New function.
24805 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
24806 _fatal_insn and _fatal_insn_not_found. Go through
24808 (trim_filename, fancy_abort): Delete.
24810 * builtins.c (expand_builtin_args_info): Report ICE with abort.
24811 * except.c (start_catch_handler): Report ICE with error/abort
24813 * final.c (output_operand_lossage): Likewise.
24814 * flow.c (verify_flow_info): Likewise.
24816 * gcc.c: Prototype fatal.
24817 * gengenrtl.c: Undef abort after including rtl.h not system.h.
24818 * genattr.c, genattrtab.c, genemit.c, genextract.c,
24819 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
24820 Don't define fancy_abort.
24822 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
24824 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
24827 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
24829 * m88k.h (VERSION_INFO2): Kill.
24830 (VERSION_STRING): Kill.
24832 (VERSION_INFO1): Tidy.
24833 (TARGET_VERSION): Update.
24834 * m88k/dgux.h (VERSION_INFO2): Kill.
24835 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
24836 * m88k/luna.h (VERSION_INFO1): Tidy.
24837 * m88k/sysv4.h (VERSION_INFO1): Likewise.
24838 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
24839 (output_file_start): Adjust for death of VERSION_STRING.
24841 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
24843 * cpplib.c (detect_if_not_defined): New function.
24844 (do_if): Use it to detect potential once-only headers.
24846 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
24848 * c-common.c (combine_strings): Always set TREE_CONSTANT.
24850 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24852 * combine.c (nonzero_bits) : Allow single-ly set registers to be
24853 anywere in the function only if they are pseudos and set before
24854 being used (not live at the start of the function).
24855 (num_sign_bit_copies) : Same.
24856 (get_last_value_validate) : Same.
24857 (get_last_value) : Same.
24859 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
24861 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
24862 where N and M are constant and N is an integer multiple of M.
24864 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24866 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
24867 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
24868 sbitmap_union_of_preds): Add prototypes.
24869 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
24870 the intersection of successors with the new flow graph structures.
24871 (sbitmap_intersection_of_preds): New function to compute the
24872 intersection of predecessors with the new flow graph structures.
24873 (sbitmap_union_of_succs): New function to compute the union of
24874 successors with the new flow graph structures.
24875 (sbitmap_union_of_preds): New function to compute the union of
24876 predecessors with the new flow graph structures.
24877 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
24878 (expr_reaches_here_p): Use edge and basic_block structures instead
24879 of s_preds and s_succs.
24880 (compute_cprop_avinout): Use new sbitmap routines.
24881 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
24882 of s_preds and s_succs.
24883 * flow.c (compute_flow_dominators): Compute dominators using
24884 edges and basic blocks instead of s_preds and s_succs.
24886 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
24888 * lists.c (unused_insn_list, unused_expr_list): New file for
24889 maintaining various types of lists. New statics for maintaining a
24890 cache of available INSN_LIST and EXPR_LIST nodes.
24891 (free_list): Static function for freeing a list of INSN/EXPR nodes.
24892 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
24893 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
24894 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
24895 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
24896 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
24897 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
24898 (free_INSN_LIST_node): Free an individual INSN_LIST node.
24899 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
24900 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
24901 (remove_dependence, free_pending_lists): Use new global routines.
24902 (flush_pending_lists, sched_analyze_insn): Use new global routines.
24903 (sched_analyze, compute_block_backward_dependences): Use new routines.
24904 (sched_analyze_1, sched_analyze_2): Use new routines.
24905 (schedule_insns): Use new global routines.
24906 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
24908 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
24909 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
24911 * toplev.c (rest_of_compilation): Initialize node cache.
24912 * Makefile.in (OBJS): Add lists.o to list of object files.
24913 (lists.o): Add dependancies.
24915 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
24917 * config/v850/v850.md: Fix compile time warning messages.
24918 * config/v850/v850.c: Fix compile time warning messages.
24919 * config/v850/v850.h: Fix compile time warning messages.
24921 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24923 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
24924 Remove unused prototype for `init_lengths'.
24926 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24928 * calls.c (emit_call_1): Mark parameter `stack_size' with
24930 (expand_call): Initialize variable `insn'.
24931 (emit_library_call): Likewise for variable `high_to_save'.
24932 (emit_library_call_value): Likewise.
24933 (store_one_arg): Likewise for variables `lower_bound' and
24936 * combine.c (try_combine): Likewise for variables `i2_code_number'
24937 and `other_code_number'.
24938 (find_split_point): Likewise for variables `pos', `unsignedp' and
24940 (simplify_if_then_else): Likewise for variables `op' and `c1'.
24941 (simplify_and_const_int): Remove unused variable `width'.
24942 (merge_outer_ops): Likewise.
24944 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
24945 HOST_WIDE_INT' when comparing against one.
24946 (simplify_relational_operation): Likewise.
24947 (cse_insn): Initialize variables `src_eqv_volatile',
24948 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
24950 * final.c (init_final): Constify parameter `filename'.
24951 (final_start_function): Mark parameter `optimize' with
24953 (profile_function): Likewise for parameters `first' and `optimize'.
24954 (output_source_line): Likewise for parameter `file'.
24956 * integrate.c (subst_constants): Cast a value to `size_t' when
24957 comparing against one.
24958 (mark_stores): Initialize variable `mode'. Cast a value to
24959 `size_t' when comparing against one.
24961 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
24963 * loop.c (move_movables): Initialize variable `first'.
24964 (strength_reduce): Likewise for variable `increment'.
24965 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
24966 value to `size_t' when comparing against one.
24967 (load_mems): Initialize variable `end_label'.
24969 * output.h (init_final): Constify parameter.
24971 * reload.c (decompose): Initialize variable `base'.
24973 * reload1.c (reload): Likewise for variable `is_scalar'.
24974 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
24975 (choose_reload_regs): Initialize variable `mode'.
24976 (emit_reload_insns): Likewise for variable `store_insn'.
24977 (reload_cse_noop_set_p): Mark parameter `insn' with
24979 (reload_combine): Initialize variable `set'.
24981 * unroll.c (unroll_loop): Likewise for variable `local_label'.
24982 (copy_loop_body): Cast a value to `size_t' when comparing against
24985 * varasm.c (assemble_variable): Initialize variable `size_tree'.
24986 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
24987 (remove_from_pending_weak_list): Mark parameter `name' with
24990 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24992 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
24995 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
24997 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
24998 (ASM_DECLARE_FUNCTION_NAME): Define.
24999 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
25000 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
25001 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
25002 not already defined.
25004 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
25006 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
25007 of n_popped when call/call_value are not defined.
25009 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
25011 * tm.texi: GNU CC -> GCC conversion.
25012 (CC1_SPEC): Indicate it is used for all language front ends.
25014 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
25016 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
25017 NOTE_INSN_EH_REGION_END correctly.
25019 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25020 Jeff Law <law@cygnus.com>
25022 * loop.c (strength_reduce): Automatically unroll loops if the
25023 unrolled loop size is smaller than the rolled loop size.
25025 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
25026 and delete comment that code should be rewritten.
25028 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
25030 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
25033 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
25035 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25037 * fixinc/mkfixinc.sh: Don't fix uwin headers.
25038 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
25039 (LINK_SPEC): Add -u _main when building executables.
25040 (ASM_DECLARE_FUNCTION): Update from Cygwin.
25041 (ASM_FILE_END): Use the default for ix86-pe.
25042 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
25044 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
25046 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
25047 and ASM_CLOSE_PAREN are empty strings.
25049 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
25050 Geoffrey Keating <geoffk@cygnus.com>
25052 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
25053 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
25054 (unprotoize.o): Ditto.
25055 (test-protoize-simple): Don't define STD_PROTO_DIR.
25056 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
25057 changes to make 'test-protoize-simple' pass.
25058 (STD_PROTO_DIR): Remove define.
25059 (STANDARD_EXEC_PREFIX): Supply default define.
25060 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
25061 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
25062 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
25063 (GET_ENV_PATH_LIST): New macro.
25064 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
25065 (do_processing): Initialize default_syscalls_dir using new
25066 macros. Use it to initialize syscalls_absolute_filename.
25068 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
25070 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
25071 B into a register before emit_conditional_move.
25073 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
25075 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
25076 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
25077 multiplicand out of (+ (* a b) (* c d)).
25079 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
25080 Richard Henderson <rth@cygnus.com>
25082 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
25083 (new_insn_dead_notes): Likewise.
25084 (update_n_sets): Likewise.
25085 (update_flow_info): Move to flow.c, renamed to update_life_info;
25086 extend to handle multiple source insns.
25087 * flow.c: Include resource.h
25088 (unlink_insn_chain): New.
25089 (split_hard_reg_notes): New.
25090 (maybe_add_dead_note): New.
25091 (maybe_add_dead_note_use): New.
25092 (find_insn_with_note): New.
25093 (new_insn_dead_notes): New.
25094 (update_n_sets): New.
25095 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
25096 (maybe_remove_dead_notes): New.
25097 (update_life_info): New.
25098 (prepend_reg_notes): New.
25099 (replace_insns): New.
25100 * output.h (update_life_info): Declare.
25101 * recog.c (split_block_insns): Use update_life_info.
25102 * resource.c (find_free_register): Use reg_alloc_order, don't use
25103 fixed regs, make sure the mode is supported, don't use new regs.
25105 * rtl.h (replace_insns): Declare.
25107 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
25109 * expr.c (expand_expr): Cope with COND_EXPRs with one
25110 non-returning branch.
25112 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
25114 * expr.c (store_expr): Always pass down the target, even when not
25117 1999-08-24 Nick Clifton <nickc@cygnus.com>
25119 * configure.in: Define target_cpu_default for v850 targets.
25120 * configure: Regenerate
25122 * config/v850/v850.h (TARGET_CPU_generic): Define.
25123 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
25124 addresses are 4 byte aligned.
25126 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
25129 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25131 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
25132 (main): Add prototypes.
25134 * genattrtab.c (substitute_address, write_const_num_delay_slots,
25135 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
25136 (write_attr_get): Emit prototypes along with function definition.
25137 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
25138 (write_complex_function): Emit static prototype along with
25139 function definition.
25141 * genemit.c (gen_split): Emit prototypes along with function
25144 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
25145 Likewise for predicates and `insn_operand_predicate'.
25146 (process_template): Emit static prototype along with function
25149 * genrecog.c (make_insn_sequence): Constify a char*. Add
25150 prototypes for get_split_*().
25151 (write_subroutine): Emit prototypes along with function
25154 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25156 * gcse.c (find_avail_set): Follow chains of register-register copies.
25157 Use oprs_not_set_p to guarantee that the returned value can be
25159 (cprop_insn): Don't verify the return value of find_avail_set with
25162 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
25163 (cprop_cc0_jump): New function.
25164 (cprop_insn): Break out new function cprop_jump and use it.
25165 Also use cprop_cc0_jump for machines with CC0.
25166 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
25168 * tree.h (current_function_calls_setjmp,
25169 current_function_calls_longjmp): Delete declarations.
25170 * dsp16xx.c: Include "function.h".
25171 * elxsi.c: Likewise.
25172 * gmicro.c: Likewise.
25173 * h8300.c: Likewise.
25174 * i370.c: Likewise.
25175 * m32r.c: Likewise.
25176 * mn10200.c: Likewise.
25177 * mn10300.c: Likewise.
25178 * ns32k.c: Likewise.
25179 * spur.c: Likewise.
25180 * v850.c: Likewise.
25182 * rtl.h (rtx_equal_function_value_matters): Declare.
25183 * toplev.c (rtx_equal_function_value_matters): Don't declare.
25185 * function.c: Likewise.
25186 * emit-rtl.c: Likewise.
25188 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
25190 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
25193 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
25195 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
25198 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
25200 * cpp.texi: Add a node documenting macro varargs (copied
25203 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
25205 * cppspec.c: Put a null pointer at the end of the new argv.
25207 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
25209 * configure.in: Remove code to select/de-select the haifa
25210 scheduler. Every scheduled port gets haifa now.
25211 * configure: Rebuilt.
25212 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
25214 * Makefile.in: Corresponding changes.
25216 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25218 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
25219 All callers changed.
25220 (prepare_float_lib_cmp): Likewise.
25221 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
25222 * expr.h (emit_float_lib_cmp): Delete declaration.
25223 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
25224 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
25225 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
25227 (cmptf): Now conditional on TARGET_HARD_QUAD.
25229 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
25231 * resource.c (mark_target_live_regs): Use
25232 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
25234 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25236 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
25238 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
25240 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
25242 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25244 * rtl.h (rtx_format): Constify a char*.
25246 * rtl.c (rtx_format): Likewise.
25247 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
25248 (init_rtl): Use accessor macro, not `rtx_format'.
25250 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
25253 * caller-save.c (mark_referenced_regs): Likewise.
25255 * combine.c (subst, make_compound_operation, known_cond,
25256 gen_rtx_combine, update_table_tick, get_last_value_validate,
25257 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
25259 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
25260 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
25261 count_reg_usage): Likewise.
25263 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
25266 * final.c (leaf_renumber_regs_insn): Likewise.
25268 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
25269 dump_edge_info, count_reg_references): Likewise.
25271 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
25272 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
25275 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
25276 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
25277 add_label_notes): Likewise.
25279 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
25280 clear_struct_flag, count_sub_rtxs, count_alternatives,
25281 compares_alternatives_p, contained_in_p, walk_attr_value,
25282 write_expr_attr_cache): Likewise.
25284 * genconfig.c (walk_insn_part): Likewise.
25286 * genemit.c (max_operand_1, gen_exp): Likewise.
25288 * genextract.c (walk_rtx): Likewise.
25290 * genflags.c (num_operands): Likewise.
25292 * genoutput.c (scan_operands): Likewise.
25294 * genpeep.c (match_rtx): Likewise.
25296 * genrecog.c (add_to_sequence): Likewise.
25298 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
25301 * integrate.c (save_constants, copy_for_inline,
25302 copy_rtx_and_substitute, subst_constants, restore_constants):
25305 * jump.c (mark_jump_label, invert_exp, redirect_exp,
25306 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
25308 * local-alloc.c (contains_replace_regs, memref_referenced_p):
25311 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
25312 add_label_notes, replace_call_address, count_nonfixed_reads,
25313 invariant_p, find_single_use_in_loop, find_mem_givs,
25314 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
25317 * print-rtl.c (reg_names, print_rtx): Likewise.
25319 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
25321 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
25322 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
25323 print_blocks): Likewise.
25325 * regclass.c (fix_register, record_address_regs,
25326 reg_scan_mark_refs): Likewise.
25328 * regmove.c (stable_but_for_p): Likewise.
25330 * reload.c (loc_mentioned_in_p, operands_match_p,
25331 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
25332 copy_replacements, refers_to_regno_for_reload_p,
25333 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
25334 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
25337 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
25338 delete_address_reloads_1, count_occurrences,
25339 reload_cse_mem_conflict_p, reload_combine_note_use,
25340 add_auto_inc_notes): Likewise.
25342 * resource.c (mark_referenced_resources, mark_set_resources):
25345 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
25346 reg_mentioned_p, regs_set_between_p, modified_between_p,
25347 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
25348 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
25349 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
25350 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
25352 * sched.c (sched_analyze_2, attach_deaths): Likewise.
25354 * stupid.c (stupid_mark_refs): Likewise.
25356 * unroll.c (remap_split_bivs): Likewise.
25358 * varasm.c (mark_constants): Likewise.
25360 * a29k/a29k.c (uses_local_reg_p): Likewise.
25362 * alpha/alpha.c (summarize_insn): Likewise.
25364 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
25365 eliminate_lr2ip): Likewise.
25367 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
25369 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
25370 reg_mentioned_in_mem): Likewise.
25372 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
25373 symbolic_reference_mentioned_p): Likewise.
25375 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
25377 * sh/sh.c (regs_used, mark_use): Likewise.
25379 * vax/vax.c (vax_rtx_cost): Likewise.
25381 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25383 * machmode.h (mode_name): Constify a char*.
25385 * rtl.c (mode_name): Likewise.
25387 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
25389 * optabs.c (init_libfuncs): Constify a char*.
25391 * print-tree.c (mode_name): Remove redundant declaration.
25392 (print_node): Use accessor macro, not `mode_name'.
25394 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
25396 (new_spill_reg): Constify a char*.
25398 * tree.c (mode_name): Remove redundant declaration.
25400 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25402 * rtl.c (rtx_name): Constify a char*.
25404 * rtl.h (rtx_name, fix_sched_param): Likewise.
25406 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
25407 (mypr): Use accessor macro, not `rtx_name'.
25409 * genemit.c (print_code): Constify a char*.
25411 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
25413 * genpeep.c (print_code): Constify a char*.
25415 * genrecog.c (print_code): Likewise.
25417 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
25418 end_bb): Add static prototype.
25419 (draw_edge): Constify a char*.
25420 (end_bb): Remove unused parameter.
25422 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
25423 print_block_visualization): Constify a char*.
25425 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
25427 * c-common.c (c_get_alias_set): Update comment.
25429 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25431 * linux.h (LIB_SPEC): Added.
25433 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25435 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
25437 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
25439 * tree.c (expr_check): Fix typo in last change.
25441 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
25443 * rtl.def (NOTE): Change format to "iuu0n".
25444 (ADDR_DIFF_VEC): Change format to "eEee0".
25445 (ADDRESSOF): Change format to "eit".
25447 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
25448 (RTVEC_ELT): Change to match.
25449 (XVECEXP): Use XVEC and RTVEC_ELT.
25450 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
25451 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
25452 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
25453 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
25454 TRAP_CONDITION, TRAP_CODE): Use XEXP.
25455 (INTVAL): Use XWINT.
25456 (ADDRESSOF_DECL): Use XTREE.
25457 (SET_ADDRESSOF_DECL): Delete.
25458 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
25459 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
25460 ifdefed out since 2.6 at least.
25461 (gen_rtvec_vv): Delete prototype.
25463 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
25465 (copy_most_rtx): Handle 't' format letter.
25466 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
25467 (gen_rtvec_vv): Delete function. All callers changed to use
25468 gen_rtvec_v instead.
25469 * print-rtl.c (print_rtx): Move special casing of NOTEs to
25470 the '0' format letter.
25472 * function.c (gen_mem_addressof): Don't use
25473 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
25475 * integrate.c (copy_rtx_and_substitute): Likewise.
25476 Copy 't' slots with XTREE.
25477 (subst_constants): Treat 't' slots like '[swi]' slots.
25478 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
25479 * jump.c (rtx_equal_for_thread_p): Likewise.
25480 * rtlanal.c (rtx_equal_p): Likewise.
25481 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
25482 only four arguments.
25483 * gengenrtl.c (type_from_format): Provide correct types for
25487 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
25488 If a recent gcc is in use (always in stage2 and beyond), use
25489 statement expressions, so we don't make a function call unless
25490 the check fails. Evaluate arguments exactly once.
25491 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
25492 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
25494 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
25495 they evaluate their arguments exactly once, irrespective of
25496 the compiler in use.
25498 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
25499 is used by the currently-enabled check macros. This is:
25500 (tree_check_failed, tree_class_check_failed): For gcc.
25501 (tree_check, tree_class_check, cst_or_constructor_check,
25502 expr_check): For other compilers.
25504 * gencheck.c: Do not define any *_CHECK1 macros.
25506 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
25507 Mark Mitchell <mark@codesourcery.com>
25509 * c-common.c (c_get_alias_set): Fix support for poitners and
25512 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
25514 * alias.c: Include tree.h.
25515 (nonlocal_reference_p, mark_constant_function): New functions.
25516 * flow.c (life_analysis): Call mark_constant_function.
25517 * rtl.h (mark_constant_function): Declare it.
25519 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
25521 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
25522 unrecognisable switches.
25524 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25526 * loop.c (recombine_givs): Set ix field after sorting.
25527 (recombine_givs): Remove bogus index / giv lockstep looping.
25529 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25531 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
25533 (emit_store_flag_force): Use do_compare_rtx_and_jump.
25534 (do_cmp_and_jump): Formatting fixes.
25535 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
25536 do_compare_rtx_and_jump instead of compare_from_rtx.
25537 (do_compare_rtx_and_jump): New function; mostly copied from
25539 (do_jump_for_compare): Delete.
25540 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
25542 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
25543 of compare/do_jump_for_compare pairs.
25544 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
25545 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
25546 compare_from_rtx/do_jump_for_compare pairs.
25547 (do_jump_by_parts_equality): Likewise.
25548 (do_jump_by_parts_equality_rtx): Likewise.
25549 * expr.h (do_compare_rtx_and_jump): Declare.
25550 * optabs.c (prepare_cmp_insn): New function, contains most of the code
25551 that used to be in emit_cmp_insn.
25552 (cmp_available_p): New function.
25553 (prepare_operand): New function.
25554 (emit_cmp_and_jump_insn_1): New function, contains some code that used
25555 to be in emit_cmp_insn.
25556 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
25557 parameters to be pointers; don't emit final compare but modify some of
25558 the values pointed to by the args so the caller can perform the
25559 correct comparison.
25560 (expand_binop): Call emit_store_flag_force with signed forms of
25562 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
25563 emit_jump_insn pair.
25564 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
25565 emit_cmp_and_jump_insn_1. Call emit_queue.
25566 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
25568 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
25569 jump sets cc0 before deleting it.
25570 * integrate.c (expand_inline_function): Likewise.
25571 * unroll.c (unroll_loop): Similar changes in several places.
25572 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
25573 before deleting it.
25575 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25577 * Makefile.in (insn-recog.o): Update dependencies.
25578 * genrecog.c (main): Make generated file include "function.h".
25580 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
25582 * cse.c (cse_insn): Call never_reached_warning when a jump is
25583 changed to be unconditional.
25584 * flags.h: Declare warn_notreached.
25585 * flow.c (delete_block): Call never_reached_warning when
25586 a block is deleted.
25587 * jump.c (delete_barrier_successors): Call never_reached_warning
25588 when we delete everything after a BARRIER.
25589 (never_reached_warning): New function.
25590 * rtl.h: Declare never_reached_warning.
25591 * toplev.c (warn_notreached): New variable.
25592 (lang_independent_options): Set warn_notreached
25593 when -Wunreachable-code.
25594 (compile_file): We need line numbers for -Wunreachable-code.
25596 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
25598 * haifa-sched.c (insn_unit): Fix typo on out of range test.
25599 * sched.c (insn_unit): Likewise.
25601 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
25603 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
25605 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25607 * flow.c (create_edge_list): Use xmalloc, not malloc.
25609 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
25611 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
25612 C-style comments. Do not lose the character before double slash.
25614 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25616 * basic-block.h (struct edge_list): Stucture to maintain a vector
25618 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
25619 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
25620 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
25621 New function prototypes.
25622 * flow.c (create_edge_list): Function to create an edge list.
25623 (free_edge_list): Discards memory used by an edge list.
25624 (print_edge_list): Debug output showing an edge list.
25625 (verify_edge_list): Internal consistency check for an edge list.
25626 (find_edge_index): Function to find an edge index for a pred and succ.
25628 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
25630 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
25633 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
25635 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
25637 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
25639 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
25641 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
25643 * toplev.c (rest_of_compilation): Allow machine dependent
25644 reorganisation pass to place information into the RTL dump
25645 file if it so wishes.
25647 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
25649 * explow.c (hard_function_value): Use VOIDmode instead of
25651 * stmt.c (expand_return): Likewise.
25652 * stor-layout.c (get_best_mode): Likewise.
25654 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
25655 emit call instead of emit_insn call.
25657 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
25659 * configure.in: Handle --disable/enable-win32-registry.
25660 * install.texi: Document --disable/enable-win32-registry.
25661 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
25662 (WIN32_REGISTRY_KEY): New macro.
25663 * prefix.c: Use to enable/disable win32-specific code.
25664 (lookup_key): Use versioned key.
25665 * configure: Regenerate.
25666 * config.in: Likewise.
25668 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
25670 * cpplib.c (read_line_number): New fn, split out of...
25673 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
25675 tree.c (lang_unsave_expr_now) : New.
25676 (unsave_expr_now): Call lang_unsave_expr_now.
25677 tree.h (lang_unsave_expr_now) : New.
25679 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
25681 * toplev.c (flag_new_exceptions): On by default.
25683 1999-08-13 Michael Meissner <meissner@cygnus.com>
25685 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
25687 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25689 * dwarfout.c (fundamental_type_code): Return FT_boolean for
25690 INTEGER_TYPE with precision==1, it's __java_boolean.
25692 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25694 * global.c (prune_preferences): Move some invariants out of the
25697 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
25699 * configure.in (alpha*-dec-osf*): Add osf5.
25701 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
25703 * configure.in: Rework handling of ARM GNU/Linux slightly.
25704 (arm*-*-linux-gnuoldld): New target.
25705 * configure: Regenerate.
25706 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
25707 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
25708 * config/arm/linux-oldld.h: New file.
25709 * config/arm/linux-elf26.h: Don't include linux-elf.h.
25710 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
25712 * config/arm/linux-elf.h (ASM_SPEC): Define.
25713 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
25714 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
25715 for 26-bit APCS and old linker.
25716 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
25718 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
25719 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
25720 don't define `arm' or `arm_elf'.
25721 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
25722 MULTILIB_DIRNAMES): Define. Fix typo in comment.
25724 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
25726 * rtl.texi: Fix typo.
25728 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
25730 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
25732 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
25734 * extend.texi (C++ Signatures): Remove node.
25735 * invoke.texi: Remove discussion of -fhandle-signatures,
25736 signature, sigof, __signature__, and __sigof__.
25738 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
25740 * Makefile.in (JAVAGC): Removed.
25742 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
25744 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25746 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
25748 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
25750 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
25752 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
25753 a register that is already known to be a pointer.
25755 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
25757 * fixinc/inclhack.tpl: Only install assert.h conditionally.
25758 * fixinc/inclhack.sh: Regenerated.
25759 * fixinc/fixincl.sh: Regenerated.
25761 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
25763 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
25764 Fix documentation of -ansi flag to describe its C++ behavior.
25765 Remove bogus reference to GCC 2.9.
25767 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
25769 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
25770 note if it is non-NULL.
25772 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25774 * except.h (eh_nesting_info): Add new structure defintion.
25775 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
25776 (reachable_handlers, update_rethrow_references): Add function
25778 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
25779 a rethrow symbol instead of an integer exception region number.
25780 * flow.c (Make_edges): Use new exception nesting routines to determine
25781 which handlers are reachable from a CALL or asynchronous insn.
25782 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
25784 (delete_eh_regions): Update rethrow labels, and don't delete
25785 regions which are the target of a rethrow.
25786 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
25787 avoid overloading the SYMBOL_REF_USED flag.
25788 (rethrow_symbol_map): Use new rethrow_ref field.
25789 (rethrow_used): Use new rethrow_ref field.
25790 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
25791 of an integer. Fix formatting.
25792 (output_exception_table_entry): Use new rethrow_ref field.
25793 (can_throw): Check for EH_REGION_NOTE before deciding
25794 whether a CALL can throw or not.
25795 (scan_region): Call rethrow_used() instead of accessing data structure.
25796 (update_rethrow_references): New function to make sure only regions
25797 which are still targets of a rethrow are flagged as such.
25798 (process_nestinfo): New static function to initialize a handler
25799 list for a specific region.
25800 (init_eh_nesting_info): New function to allocate and initialize
25801 the list of all EH handlers reachable from all regions.
25802 (reachable_handlers): New function to retrieve the list of handlers
25803 reachable from a specific region and insn.
25804 (free_eh_nesting_info): New function to dispose of a list of
25805 reachable handlers.
25807 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
25809 * flow.c (split_edge): Set JUMP_LABEL field.
25810 (commit_one_edge_insertion): Set head correctly for insert_before.
25811 When inserting insns, update insn block numbers if allocated.
25813 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25815 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
25816 retry_incomplete_types): Add static prototype.
25817 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
25818 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
25819 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
25820 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
25821 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
25824 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
25825 dwarf2out_start_source_file, dwarf2out_line): Likewise.
25827 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25829 * output.h (assemble_name): Constify a char*.
25831 * varasm.c (UNIQUE_SECTION, assemble_start_function,
25832 assemble_variable, assemble_name): Likewise.
25834 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
25836 * arm/pe.c (arm_pe_unique_section): Likewise.
25838 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
25840 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
25842 * i386/interix.c (i386_pe_unique_section): Likewise.
25844 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
25846 * i386/winnt.c (i386_pe_unique_section): Likewise.
25848 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
25850 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
25852 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
25854 * pa/pa.c (output_call): Likewise.
25856 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
25858 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
25860 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
25863 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
25866 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
25868 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
25869 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
25871 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
25873 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25875 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
25877 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25879 * tree.h (lang_identify): Constify a char*.
25880 (print_error_function): Add extern prototype. Constify a char*.
25882 * c-lang.c (lang_identify): Constify a char*.
25884 * objc/objc-act.c (lang_identify): Constify a char*.
25886 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25888 * genpeep.c (main): Make generated file include "function.h".
25889 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
25891 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25893 * Makefile.in: Update dependencies.
25894 * alias.c: Include "function.h"
25895 * c-decl.c: Likewise.
25896 * caller-save.c: Likewise.
25897 * calls.c: Likewise.
25898 * combine.c: Likewise.
25900 * explow.c: Likewise.
25901 * final.c: Likewise.
25902 * global.c: Likewise.
25903 * graph.c: Likewise.
25904 * local-alloc.c: Likewise.
25905 * loop.c: Likewise.
25906 * optabs.c: Likewise.
25907 * profile.c: Likewise.
25908 * recog.c: Likewise.
25909 * regclass.c: Likewise.
25910 * regmove.c: Likewise.
25911 * reload.c: Likewise.
25912 * reorg.c: Likewise.
25913 * resource.c: Likewise.
25914 * sched.c: Likewise.
25915 * stupid.c: Likewise.
25916 * config/1750a/1750a.c: Likewise.
25917 * config/a29k/a29k.c: Likewise.
25918 * config/arc/arc.c: Likewise.
25919 * config/arm/arm.c: Likewise.
25920 * config/arm/thumb.c: Likewise.
25921 * config/c4x/c4x.c: Likewise.
25922 * config/clipper/clipper.c: Likewise.
25923 * config/convex/convex.c: Likewise.
25924 * config/fx80/fx80.c: Likewise.
25925 * config/i860/i860.c: Likewise.
25926 * config/m68k/m68k.c: Likewise.
25927 * config/m88k/m88k.c: Likewise.
25928 * config/mips/mips.c: Likewise.
25929 * config/pdp11/pdp11.c: Likewise.
25930 * config/pyr/pyr.c: Likewise.
25931 * config/romp/romp.c: Likewise.
25932 * config/sh/sh.c: Likewise.
25933 * config/tahoe/tahoe.c: Likewise.
25934 * config/vax/vax.c: Likewise.
25935 * config/we32k/we32k.c: Likewise.
25936 * config/sparc/sparc.c: Include "function.h".
25937 (mem_min_alignment): Test current_function rather than
25938 regno_pointer_align.
25939 * config/pa/pa.c: Likewise.
25940 (compute_frame_size): Delete declaration of
25941 current_function_outgoing_args_size.
25942 * config/arc/arc.h (current_function_varargs): Delete declaration.
25943 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
25945 * config/i370/i370.h (current_function_outgoing_args_size): Delete
25947 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
25948 current_function_uses_pic_offset_table.
25949 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
25950 of current_function_returns_pointer.
25951 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25952 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25953 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25954 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25955 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25956 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
25957 * config/m88k/m88k.c: Include "function.h"
25958 (call_used_regs, current_function_pretend_args_size,
25959 current_function_outgoing_args_size, frame_pointer_needed): Delete
25961 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
25963 * config/mips/mips.h (current_function_calls_alloca): Delete
25965 * config/mn10200/mn10200.h (current_function_needs_context,
25966 rtx_equal_function_value_matters): Delete declarations.
25967 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
25968 flag_pic): Delete declarations.
25969 * config/pa/pa.h (current_function_pretend_args_size,
25970 current_function_decl): Delete declarations.
25971 * config/pa/som.h (current_function_varargs): Delete declaration.
25972 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
25974 * config/pyr/pyr.h (current_function_pretend_args_size,
25975 current_function_args_size, current_function_calls_alloca): Delete
25977 * config/sh/sh.h (current_function_varargs): Delete declaration.
25978 * config/sparc/sparc.h (current_function_outgoing_args_size,
25979 current_function_calls_alloca, current_function_decl): Delete
25981 * config/spur/spur.h (current_function_pretend_args_size,
25982 current_function_calls_alloca): Delete declarations.
25983 * config/v850/v850.c (current_function_outgoing_args_size): Delete
25985 * config/vax/vms.h (current_function_name): Delete declaration.
25986 * gcse.c: Include "function.h".
25987 (current_function_name, current_function_calls_setjmp): Delete
25989 * haifa-sched.c: Include "function.h".
25990 (forced_labels): Delete declaration.
25991 * jump.c: Likewise.
25992 * reg-stack.c: Likewise.
25993 * reload1.c: Likewise.
25994 * genemit.c (main): Make generated file include function.h.
25995 * genoutput.c (output_prologue): Likewise.
25997 * builtins.c (saveregs_value, apply_args_value): Delete variables.
25998 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
25999 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
26000 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
26001 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
26002 macros for some of them.
26003 (emit_filename, emit_lineno): Delete declarations.
26004 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
26005 regno_pointer_* variables through current_function.
26006 (gen_inline_header_rtx): Delete function.
26007 (save_emit_status): Delete function.
26008 (set_new_last_label_num): New function.
26009 (clear_emit_caches): New function.
26010 (restore_emit_status): Just clear last_labelnum and call
26012 (get_last_insn_anywhere): Variable sequence_stack is now accessed
26013 through macro seq_stack.
26014 (add_insn_after): Likewise.
26015 (add_insn_before): Likewise.
26016 (remove_insn): Likewise.
26017 (pop_topmost_sequence): Likewise.
26018 (in_sequence_p): Likewise.
26019 (start_sequence_for_rtl_expr): Likewise.
26020 (start_sequence): Likewise, and likewise for
26021 sequence_rtl_expr/seq_rtl_expr.
26022 (push_topmost_sequence): Likewise.
26023 (end_sequence): Likewise.
26024 (init_virtual_regs): Now takes a "struct emit_status *" argument.
26025 All callers changed. Store into that pointer instead of globals.
26026 (init_emit): Allocate emit elt of current_function.
26027 Changes for sequence_rtl_expr/sequence_stack renaming.
26028 Call clear_emit_caches instead of doing it in-line.
26029 Access regno_pointer_* variables through current_function.
26030 (init_emit_once) Don't clear sequence_stack.
26032 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
26034 (arg_pointer_save_area): Delete declaration.
26035 (finish_expr_for_function): Renamed from init_queue; no longer static.
26036 (init_expr): Don't call init_queue.
26037 (save_expr_status, restore_expr_status): Delete functions.
26038 (expand_expr): Changes to reflect new layout of struct function.
26039 Don't access current_function_check_memory_usage when current_function
26041 * expr.h (forced_labels, save_expr_regs, saveregs_value,
26042 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
26043 current_function_outgoing_args_size, current_function_arg_offset_rtx,
26044 current_function_uses_const_pool, function_call_count,
26045 current_function_uses_pic_offset_table, nonlocal_labels,
26046 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
26047 current_function_check_memory_usage, nonlocal_goto_handler_slots,
26048 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
26050 (finish_expr_for_function): Declare.
26051 * flags.h (current_function_has_nonlocal_label,
26052 current_function_has_nonlocal_goto, current_function_is_thunk,
26053 current_function_has_computed_jump): Delete declarations.
26054 * flow.c (forced_labels): Delete declaration.
26055 * function.c (current_function_pops_args,
26056 current_function_returns_struct, current_function_returns_pcc_struct,
26057 current_function_needs_context, current_function_calls_setjmp,
26058 current_function_calls_longjmp, current_function_has_nonlocal_label,
26059 current_function_has_nonlocal_goto, current_function_is_thunk,
26060 current_function_has_computed_jump, current_function_calls_alloca,
26061 current_function_contains_functions, current_function_returns_pointer,
26062 current_function_epilogue_delay_list, current_function_args_size,
26063 current_function_pretend_args_size, current_function_arg_offset_rtx,
26064 current_function_outgoing_args_size, current_function_varargs,
26065 current_function_stdarg, current_function_args_info, cleanup_label,
26066 current_function_name, current_function_uses_const_pool,
26067 current_function_instrument_entry_exit, current_function_return_rtx,
26068 current_function_uses_pic_offset_table, nonlocal_labels,
26069 current_function_internal_arg_pointer, current_function_cannot_inline,
26070 current_function_check_memory_usage, function_call_count,
26071 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
26072 nonlocal_goto_stack_level, return_label, save_expr_regs,
26073 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
26074 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
26075 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
26076 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
26077 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
26079 (push_function_context_to): Don't save them. Don't call
26080 save_storage_status, save_emit_status or save_expr_status.
26081 (pop_function_context_from): Don't restore them. Don't call
26082 restore_storage_status or restore_expr_status.
26083 (get_func_frame_size): New function.
26084 (get_frame_size): Use it.
26085 (assign_outer_stack_local): Reflect some member name changes in struct
26087 (put_reg_into_stack): Likewise.
26088 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
26090 (fixup_var_refs): Likewise.
26091 (fix_lexical_addr): Likewise.
26092 (trampoline_address): Likewise.
26093 (prepare_function_start): Clear field inlinable of current_function.
26094 (init_function_for_compilation): New function.
26095 (expand_dummy_function_end): New function.
26096 (expand_function_end): Call finish_expr_for_function.
26097 * function.h (struct emit_status): New; fields moved here from struct
26098 function and from global variables. Add accessor macros for some of
26100 (struct expr_status): Likewise.
26101 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
26102 (struct function): Add fields expr and emit, inlinable, inl_emit,
26103 original_arg_vector, original_decl_initial, inl_last_parm_insn,
26104 inl_max_label_num. Add many comments.
26105 Add accessor macros for all elts of struct function that no longer
26106 have a global variable.
26107 (cleanup_label, return_label, frame_offset, tail_recursion_label,
26108 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
26109 stack_slot_list): Delete declarations.
26110 (get_func_frame_size): Declare.
26111 (save_expr_status, restore_expr_status, save_emit_status,
26112 save_storage_status, restore_storage_status): Delete declarations.
26113 (init_virtual_regs): Declare.
26114 * output.h (current_function_pops_args,
26115 current_function_returns_struct, current_function_returns_pcc_struct,
26116 current_function_needs_context, current_function_calls_setjmp,
26117 current_function_calls_longjmp, current_function_calls_alloca,
26118 current_function_has_nonlocal_label, current_function_varargs,
26119 current_function_has_computed_jump, current_function_returns_pointer,
26120 current_function_contains_functions, current_function_args_size,
26121 current_function_pretend_args_size, current_function_stdarg,
26122 current_function_outgoing_args_size, current_function_args_info,
26123 current_function_name, current_function_return_rtx,
26124 current_function_epilogue_delay_list,
26125 current_function_uses_const_pool, current_function_cannot_inline):
26126 Delete declarations.
26127 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
26128 regno_reg_rtx): Delete declaration.
26129 (REGNO_POINTER_FLAG): Delete macro.
26130 * stmt.c (expand_goto): Changes to reflect that some fields in struct
26131 function were renamed.
26132 * stor-layout.c (save_storage_status, restore_storage_status): Delete
26134 * toplev.c: Include "function.h".
26135 (current_function_decl): Delete declaration.
26136 (compile_file): Call init_dummy_function_start and
26137 expand_dummy_function_end around some initializations that need to
26139 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
26140 Call init_function_for_compilation.
26141 * unroll.c: Include "function.h"
26142 (unroll_loop): Access regno_pointer_* variables through
26145 * tree.h (struct tree_decl): Add elt f to saved_insns member.
26146 (DECL_SAVED_INSNS): use it.
26147 (expand_dummy_function_end): Declare.
26148 (init_function_for_compilation): Declare.
26149 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
26150 that it's no longer an INLINE_HEADER.
26151 (expand_call): Likewise.
26152 * integrate.c (finish_inline): Delete function.
26153 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
26154 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
26155 args. Don't generate an INLINE_HEADER rtx, just return the arg
26156 vector. All callers changed.
26157 (save_for_inline_copying): Create a duplicate struct emit_status to
26158 hold the emit state for compiling the current function. Use this and
26159 the other new fields in struct function that are for integration
26160 instead of an INLINE_HEADER.
26161 Use memcpy instead of bcopy.
26162 Store the current struct function in DECL_SAVED_INSNS of fndecl.
26163 (save_for_inline_nocopy): Similar changes, except no new emit_status
26165 (expand_inline_function): Get information from function structure,
26166 not from an inline header rtx.
26167 (output_inline_function): Lose code to extract the necessary
26168 information from an inline header; simply put back the function
26169 structure into current_function. Clear its inlinable elt.
26170 * rtl.def (INLINE_HEADER): Delete.
26171 * rtl.h: Delete all accessors for an INLINE_HEADER.
26172 (gen_inline_header_rtx): Delete declaration.
26173 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
26174 Delete declarations.
26175 (REGNO_POINTER_ALIGN): Delete.
26176 (clear_emit_caches): Declare.
26177 (set_new_last_label_num): Declare.
26179 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
26181 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
26183 * except.c (expand_eh_region_start_for_decl): Always start a new block.
26184 * stmt.c (is_eh_region): Make sure current_function is present, too.
26186 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
26188 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
26189 for 64bit PA targets.
26191 * pa.h (SELECT_SECTION): Define.
26192 * som.h (SELECT_SECTION): Delete.
26194 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26196 * alias.c (init_alias_analysis): Wrap call to
26197 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
26199 1999-08-07 Bruce Korb <autogen@linuxbox.com>
26201 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
26202 <sys/asm.h> contains an asm comment with an apostrophe
26203 * fixinc/inclhack.sh: regen
26204 * fixinc/fixincl.x: regen
26206 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
26208 * function.c (init_function_start): Clear prologue & epilogue.
26209 (prologue_epilogue_contains): New function.
26210 * alias.c (init_alias_analysis): Use it.
26211 * rtl.h (prologue_epilogue_contains): Declare it.
26213 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
26215 * jump.c (onlyjump_p): New function.
26216 * rtl.h: Declare it.
26217 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
26218 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
26220 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
26222 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
26223 to invert loops. Simplify block scanning.
26225 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26227 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
26228 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
26230 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
26232 * config/sparc/liteelf.h: New file to support sparclite-elf target
26233 * config/sparc/t-sp86x: New file to support sparc86x targets
26234 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
26235 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
26236 * configure.in: Support above target triplets
26237 * configure: Regenerated
26239 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
26241 * fixinc/server.c (server_setup): Do not prefix function used as
26242 parameter with `&'.
26244 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
26246 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
26247 Remove fp reg alternatives.
26249 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
26251 * Makefiin (TAROUTOPTS): Kill.
26252 (install-headers-tar): Use "xpf" for tar headerfile extraction
26253 * i370/x-oe (TAROUTOPTS): Delete.
26254 * m68k/x-apollo68 (TAROUTOPTS): Delete.
26255 * m68k/x-hp320 (TAROUTOPTS): Delete.
26256 * m68k/x-hp320g (TAROUTOPTS): Delete.
26257 * gcc.texi: Update bug reporting text.
26259 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
26261 * reg-stack.c (change_stack) Fixed problem with negative array index.
26263 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
26265 * extend.texi, install.texi: Fix spelling mistakes.
26267 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
26268 (s-attrtab); No longer try to use pre-made insn-attrtab file.
26269 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
26270 PREMADE_ATTRTAB_MD.
26271 * mips/t-ecoff: Likewise.
26272 * mips/t-elf: Likewise.
26273 * mips/t-mips: Likewise.
26274 * mips/t-osfrose: Likewise.
26275 * mips/t-r3900: Likewise.
26276 * mips/t-svr3: Likewise.
26277 * mips/t-svr4: Likewise.
26278 * mips/t-ultrix: Likewise.
26280 * gcc.texi: Document recommend means to provide software floating
26281 point libraries in libgcc.a
26283 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
26285 * c-lex.c (yylex): We can have a number with no digits.
26287 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
26289 * jump.c (delete_prior_computation): New function, broken
26290 out of delete_computation. Check for side effects with
26291 side_effects_p instead of FIND_REG_INC_NOTE. Handle
26292 multi-word hard registers.
26293 (delete_computation): Use it. Check for side effects with
26294 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
26295 missing REG_DEAD note for a register which is both set and
26298 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
26300 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
26301 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
26302 (ASM_FILE_START): Import _mcount with the right type.
26303 (ASM_DECLARE_FUNCTION_NAME): Define.
26304 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
26305 * pa.c (output_function_prologue): Always emit the function's label
26307 * pa.h (TEXT_SPACE_P): Define.
26308 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26309 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
26310 * som.h (TEXT_SPACE_P): Delete.
26311 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
26312 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
26314 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
26316 * expr.c (emit_group_load): Allow src to be a CONCAT.
26318 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26320 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
26321 (___mulsi3): Use '!' comment character.
26323 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26325 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
26327 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
26329 * gcc.c: Update URLs and mail addresses.
26330 * gcc.texi: Likewise.
26332 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
26334 * rs6000.c (current_file_function_operand): Return zero for
26336 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
26338 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
26341 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
26343 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
26344 allocate space in the stack frame for the PIC register.
26346 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
26348 * m68k.md (xordi3, anddi3): These patterns are not available on
26351 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
26353 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
26354 (PUT_REAL): Likewise.
26356 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26358 * final.c (shorten_branches): Don't add an alignment for loops
26359 that have no label inside.
26361 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26363 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
26364 prototypes in macro HAVE_cmpstrsi.
26366 * cpplib.c (cpp_get_token): Remove unused label `op3'.
26368 * emit-rtl.c (operand_subword): Remove unused variable
26371 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
26373 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
26375 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
26377 * cpphash.c (macroexpand): Delete leading whitespace when arg
26378 is concatenated before.
26379 (unsafe_chars): Correct test for whether + and - can extend a
26382 * cppinit.c (cpp_start_read): Do dependencies for
26383 -include/-imacros files also.
26385 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
26386 tokenizing non-directive lines.
26387 (cpp_expand_to_buffer): Temporarily disable no-output mode.
26388 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
26391 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26393 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
26395 * c-lex.c: Sync with C++ frontend.
26396 (linemode): New variable.
26397 (parse_float): imag, conversion_errno, and type are output only.
26398 (yylex): Adjust. Move initial '.' case into main switch.
26400 (handle_generic_pragma): Just deal with tokens.
26401 (readescape): Use ISXDIGIT and ISGRAPH.
26402 * c-parse.in: Add END_OF_LINE token.
26404 * c-lex.c (lang_init): Generalize.
26405 (nextchar): Remove. Replace uses with UNGETC.
26406 (skip_white_space): Handle linemode here. Optimize for cpplib.
26407 (skip_white_space_on_line): Remove.
26408 (extend_token_buffer_to): New fn.
26409 (extend_token_buffer): Use it.
26410 (read_line_number, check_newline): Just deal with tokens.
26411 (token_getch, token_put_back): New fns.
26412 (yylex): Use them. More cpplib optimizations. Simplify.
26414 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
26415 Jason Merrill <jason@yorick.cygnus.com>
26417 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
26418 (consume_string): Make this smart about USE_CPPLIB.
26419 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
26420 (yylex): Rewrite to be intelligent about USE_CPPLIB.
26421 Also, clean up cases where we redundantly set token_buffer[0].
26422 (read_line_number): New fn.
26423 (ignore_escape_flag): New variable.
26425 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
26427 * a29k/t-a29kbare: Fix some comments.
26428 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
26429 (FPBIT, DPBIT): Define.
26430 * a29k/t-vx29k: Likewise.
26431 * arc/t-arc: Likewise.
26432 * arm/t-arm-elf: Likewise.
26433 * arm/t-bare: Likewise.
26434 * arm/t-pe: Likewise.
26435 * arm/t-pe-thumb: Likewise.
26436 * arm/t-semi: Likewise.
26437 * arm/t-thumb: Likewise.
26438 * arm/t-thumb-elf: Likewise.
26439 * arm/t-thumb-linux: Likewise.
26440 * h8300/t-h8300: Likewise.
26441 * i960/t-i960: Likewise.
26442 * i960/t-vxworks960: Likewise.
26443 * m32r/t-m32r: Likewise.
26444 * mips/t-ecoff: Likewise.
26445 * mips/t-elf: Likewise.
26446 * mips/t-r3900: Likewise.
26447 * pa/t-pro: Likewise.
26448 * rs6000/t-aix43: Likewise.
26449 * rs6000/t-beos: Likewise.
26450 * rs6000/t-newas: Likewise.
26451 * rs6000/t-ppccomm: Likewise.
26452 * rs6000/t-rs6000: Likewise.
26453 * rs6000/t-winnt: Likewise.
26454 * rs6000/t-xnewas: Likewise.
26455 * rs6000/t-xrs6000: Likewise.
26456 * sh/t-sh: Likewise.
26457 * sparc/t-elf: Likewise.
26458 * sparc/t-sparcbare: Likewise.
26459 * sparc/t-sparclite: Likewise.
26460 * sparc/t-splet: Likewise.
26461 * v850/t-v850: Likewise.
26462 * mn10200/t-mn10200: Fix comments.
26463 * mn10300/t-mn10300: Likewise.
26465 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
26466 dummy operand. Allocate a new pseudo for the dummy operand.
26467 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
26469 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
26471 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
26473 * configure: Rebuilt.
26474 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
26476 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
26478 * recog.c (preproces_constraints): Zero recog_op_alt before
26479 processing the constraints.
26481 * arm.c (typedef minipool_node): Renamed from pool_node.
26482 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
26483 (add_minipool_constant): New function.
26484 (dump_minipool): New function.
26485 (find_barrier): Remove special case for getting the insn size of
26486 an insn that references the constant pool.
26487 (minipool_fixup): New structure.
26488 (push_minipool_barrier): New function.
26489 (push_minipool_fix): New function.
26490 (note_invalid_constants): New function.
26491 (add_pool_constant, dump_table, fixit, broken_move): Delete.
26492 (arm_reorg): Rewrite code to fix up the constant pool into a
26493 series of mini-pools embedded in the insn stream.
26494 (arm_output_epilogue): New function, made mainly from the body
26495 of output_func_epilogue.
26496 (output_func_epilogue): Move insn generation part of epilogue code
26497 to arm_output_epilogue.
26498 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
26499 * arm.md (pool_range): New attribute.
26500 (zero_extendqidi2): Add attribute pool_range.
26501 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
26502 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
26503 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
26504 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
26505 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
26506 (epilogue): New expand.
26507 (epilogue_insn): New insn. Call arm_output_epilogue.
26509 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
26510 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
26512 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
26514 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
26516 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
26518 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
26520 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
26522 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
26524 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
26526 * global.c: Fix comment.
26528 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
26530 * gcc.c (access_check): New static function.
26531 (find_a_file): Use it when searching a directory list.
26532 * collect2.c (find_a_file): Don't accept directories found when
26533 searching a directory list.
26535 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
26537 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
26538 function parameters with `&'.
26539 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
26541 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
26543 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
26544 or tidy_fallthru_edge if the last insn in the block is not
26545 an unconditional jump or a simple conditional jump.
26547 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26549 * Makefile.in (c-decl.o): Depends on defaults.h.
26551 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
26553 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
26555 (CLASS_MAX_NREGS): Likewise.
26557 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
26559 * cse.c (cse_insn): Fix dumb thinko in last change.
26561 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26563 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
26566 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
26568 * dwarf2out.c (add_location_or_const_value_attribute): Correct
26569 test for sizes of passed and declared parameter types.
26571 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26573 * fixincludes: Fix the return type of bsearch, char* -> void*.
26575 * fixinc/inclhack.def: Likewise.
26577 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
26579 * invoke.texi (-fdump-translation-unit): New option.
26581 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
26583 * expr.h (PROMOTE_PROTOTYPES): Move ...
26584 * defaults.h: ... to here.
26585 * c-decl.c: Include defaults.h instead of expr.h.
26586 * c-typeck.c: Include defaults.h.
26588 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
26590 * toplev.h (errorcount): Declare.
26591 (warningcount): Likewise.
26592 (sorrycount): Likewise.
26593 * c-lex.c (errorcount): Don't declare.
26594 * dwarf2out.c (errorcount): Don't declare.
26596 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
26598 * config/libgloss.h: Add a note discouraging use with ELF.
26599 * configure.in: Don't use libgloss.h for ELF targets.
26600 Always use_collect2 on a.out targets.
26602 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
26604 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
26605 (force_to_mode, case ASHIFTRT): Add shiftrt label.
26607 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26609 * loop.c (strength_reduce): When doing biv->giv conversion, update
26610 reg note of NEXT->insn.
26612 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26614 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
26616 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26618 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
26619 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
26620 Ensure expr.h is included.
26621 * c-typecheck.c (convert_arguments): Ditto.
26623 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
26625 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
26626 * config/convex/convex.h: Ditto.
26627 * config/dsp16xx/dsp16xx.h: Ditto.
26628 * config/fx80/fx80.h: Ditto.
26629 * config/gmicro/gmicro.h: Ditto.
26630 * config/i370/i370.h: Ditto.
26631 * config/i386/i386.h: Ditto.
26632 * config/m32r/m32r.h: Ditto.
26633 * config/m68k/m68k.h: Ditto.
26634 * config/m88k/m88k.h: Ditto.
26635 * config/mips/mips.h: Ditto.
26636 * config/pa/pa.h: Ditto.
26637 * config/pyr/pyr.h: Ditto.
26638 * config/tahoe/tahoe.h: Ditto.
26639 * config/we32k/we32k.h: Ditto.
26641 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
26642 based on arch size.
26644 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
26646 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
26649 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
26651 1999-08-02 Richard Henderson <rth@cygnus.com>
26653 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
26654 for the register spill block.
26655 (m32r_va_arg): New.
26656 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
26657 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
26659 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
26660 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
26661 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
26663 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26665 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
26666 MAX_WCHAR_TYPE defined in sparc.h.
26667 * config/sparc/linuxaout.h: Likewise.
26668 * config/sparc/linux64.h: Likewise.
26669 Also default to -mvis if CPU is UltraSPARC.
26671 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26673 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
26674 (RTX_OK_FOR_OLO10): Likewise.
26675 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
26676 %lo(), allow it in addresses...
26677 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
26678 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
26679 does not make sense.
26680 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
26681 (sparc_output_scratch_registers): New function.
26682 (output_function_prologue, sparc_flat_output_function_prologue): Use
26684 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
26686 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
26687 * configure.in: Add check for .register pseudo-op support in as and
26688 check for offsetable %lo().
26689 * acconfig.h: Add templates for the above checks.
26690 * configure: Regenerate.
26692 1999-08-02 Richard Henderson <rth@cygnus.com>
26694 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
26695 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
26696 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
26698 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26700 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26703 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
26705 * config/float-sparc.h: New file.
26706 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
26707 sparc-*-linux-gnu and sparc64-*-linux*.
26709 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26711 * rs6000.c (rs6000_va_list): Type is an array.
26712 (rs6000_va_start): Don't doubly adjust for varargs.
26713 (rs6000_va_arg): Evaluate long long GPR adjustment.
26715 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
26717 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
26718 -maix64 and -maix32.
26719 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
26720 LINK_SPEC): Change appropriately.
26721 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
26722 (u_short_cint_operand): Likewise.
26723 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
26725 * rs6000/t-aix43 (MULTILIB): Change to -m64.
26727 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
26729 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
26731 * rs6000/rs6000.c (num_insns_constant_wide): Correct
26732 for type promotion.
26733 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
26734 (non_add_cint_operand): Likewise.
26735 (logical_operand): Likewise.
26736 (non_logical_cint_operand): Likewise.
26737 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
26738 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
26739 (rs6000_select_rtx_section): Suppress warning.
26740 (small_data_operand): Suppress warning.
26741 (rs6000_got_register): Suppress warning.
26742 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
26743 type, so `J' is generally the wrong constraint for a SImode value;
26745 (andsi3_internal2): Likewise.
26746 (andsi3_internal3): Likewise.
26747 (iorsi3_internal1): Likewise.
26748 (xorsi3_internal1): Likewise.
26750 (movsf_softfloat): Likewise.
26751 (scc insns): Likewise.
26752 (movsi+2): Preserve sign bits of SImode constant.
26753 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
26754 (movdf+1): Sign-extend properly.
26755 (movdi_32+1): Sign-extend properly.
26756 (scc insns): Sign-extend properly.
26758 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
26761 1999-08-02 Richard Henderson <rth@cygnus.com>
26763 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
26764 -mcpu parsing code.
26765 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
26766 * alpha.md (all fp insns): Likewise.
26768 1999-08-02 Nick Clifton <nickc@cygnus.com>
26770 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
26773 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
26775 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
26776 pic_load_label generator directly.
26777 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
26778 No longer a named pattern.
26780 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
26782 * explow.c (force_reg): Call force_operand if X does not
26783 satisfy general_operand.
26785 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
26787 * fix-header.c (main): When testing for CONTINUED, use string
26788 equality, not pointer equality.
26790 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
26792 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
26794 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
26796 * cse.c (cse_insn): Fix loop which deletes insns after a jump
26797 that has become an unconditional jump.
26799 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
26800 (output_function_epilogue): Similarly.
26802 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26804 * tree.h (init_dummy_function_start): Declare.
26806 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26808 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
26809 last_expr_type, last_expr_value, block_start_count, block_stack,
26810 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
26811 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
26812 dynamically in stmt elt of struct function for each function.
26813 (struct nesting): Rename function_call_count elt to n_function_calls,
26814 target_temp_slot_level to block_target_temp_slot_level. All users
26816 (struct stmt_status): New structure definition.
26817 Add many accessor macros for stmt_status elements which previously
26818 were global variables.
26819 (init_stmt_for_function): Allocate stmt elt for current_function.
26820 Reflect that block_start_count was renamed to
26821 current_block_start_count.
26822 (save_stmt_status, restore_stmt_status): Delete functions.
26823 (preserve_subexpressions_p): Don't access loop_stack when outside
26825 (expand_start_bindings): Reflect that block_start_count was renamed to
26826 current_block_start_count.
26827 (expand_fixup): Likewise.
26828 (expand_decl): Don't access block_stack when outside a function.
26829 (expand_decl_cleanup): Likewise.
26830 (expand_dcc_cleanup): Likewise.
26831 (expand_dhc_cleanup): Likewise.
26832 (expand_anon_union_decl): Likewise.
26833 (set_file_and_line_for_stmt): New function.
26834 (in_control_zone_p): New function.
26836 * function.h (struct function): Add new elt stmt.
26837 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
26838 case_stack, nesting_stack, nesting_depth, block_start_count,
26839 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
26840 emit_lineno, goto_fixup_chain.
26841 (save_eh_status, restore_eh_status, save_stmt_status,
26842 restore_stmt_status): Delete declarations.
26843 * function.c (push_function_context_to): Don't call save_stmt_status.
26844 (pop_function_context_to): Don't call restore_stmt_status.
26845 * tree.h (in_control_zone_p): Declare.
26846 * rtl.h (set_file_and_line_for_stmt): Declare.
26848 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
26849 call set_file_and_line_for_stmt.
26851 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
26853 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
26854 Also update copyright.
26856 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26858 * c-pragma.c: Don't include "except.h".
26859 * emit-rtl.c: Likewise.
26860 * stor-layout.c: Likewise.
26861 * tree.c: Likewise.
26862 * varasm.c: Likewise.
26864 * flow.c: Include "function.h".
26865 * tree.h (init_dummy_function_start): Declare new function.
26867 * except.h (struct eh_status): New structure.
26868 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
26870 (eh_return_stub_label, ehstack, catchstack, ehqueue,
26871 catch_clauses, false_label_stack, caught_return_label_stack,
26872 protect_list, current_function_ehc): Add accessor macros for the
26873 corresponding fields in current_function->eh; delete declarations
26874 for all items that used to be declared here.
26875 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
26876 catch_clauses, false_label_stack, caught_return_label_stack,
26877 protect_list, current_function_ehc): Delete variables.
26878 (init_eh_for_function): Allocate current_function->eh.
26879 (save_eh_status, restore_eh_status): Delete functions.
26881 * function.h (struct function): Add fields next_global and eh.
26882 Delete all exception handling related fields.
26883 * function.c (current_function): New variable.
26884 (all_functions): New variable.
26885 (push_function_context_to): Don't allocate a struct function,
26886 use current_function instead. Call init_dummy_function_start when
26887 outside a function. Clear current_function before returning.
26888 (pop_function_context_from): Restore current_function.
26889 Don't free the restored struct function.
26890 (prepare_function_start): New function.
26891 (init_dummy_function_start): New function.
26892 (init_function_start): Break out some code into prepare_function_start
26895 * stmt.c (save_stmt_status): Don't call save_eh_status.
26896 (restore_stmt_status): Don't call restore_eh_status.
26898 * Makefile.in: Update dependencies.
26900 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
26902 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
26903 of depending on a magic constant value. Update comments.
26904 (hppa_expand_prologue): Similarly.
26906 * pa.md (reload_indi, reload_outdi): Allow any register for the
26907 original reload register.
26909 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
26911 * cccp.c (print_help): Change marcos to macros.
26913 1999-07-30 Richard Henderson <rth@cygnus.com>
26915 * c-typeck.c (initializer_constant_valid_p): Move ...
26916 * c-common.c (initializer_constant_valid_p): ... here. Use
26917 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
26918 of label addresses.
26919 * c-common.h (initializer_constant_valid_p): Declare.
26920 * c-tree.h (initializer_constant_valid_p): Remove.
26922 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
26924 * config/i386/sol2-c1.asm: Align the stack.
26925 * config/i386/sol2-gc1.asm: Likewise.
26927 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
26929 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
26930 -Asparclite for sparc86x.
26931 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
26933 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
26935 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
26937 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
26938 the user if using the non-default arch size in BI_ARCH configuration.
26939 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
26941 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
26942 Fix patterns so that they actually match.
26943 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
26944 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
26945 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
26947 (mulsidi3): Reflect this in the expand.
26948 (smulsi3_highpart): Only on TARGET_ARCH32.
26949 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
26950 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
26951 (umulsidi3): Reflect this in the expand.
26952 (umulsi3_highpart): Only on TARGET_ARCH32.
26953 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
26954 don't require g0 to be zero.
26955 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
26956 ({,u}divsi3): New expands.
26957 ({,u}divsi3_sp64): New patterns.
26958 (after lshrdi3_v8plus): Four new patterns to help combiner
26959 optimizing nested mixed mode shifts.
26961 * config/sparc/sparc.c (sparc_override_options): Use deprecated
26962 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
26963 speed things up. Don't use them by default on plain v9 in 64bit
26964 mode, according to what SPAMv9 sais.
26966 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
26967 top 32 bits of %[og][0-7] in signal handlers.
26968 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
26970 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
26972 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
26973 (ashlsi3): Corresponding changes.
26975 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
26977 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
26979 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
26981 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
26983 * arm.h (Hint): Delete macro.
26984 Substitute HOST_WIDE_INT for Hint in some prototypes.
26985 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
26987 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
26989 * builtins.c (expand_builtin_setjmp): Use force_operand to
26990 make sure that the buffer address is in a suitable form to be
26991 passed to force_reg.
26993 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
26995 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
26998 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
27000 * pa.md (indirect_jump): Remove mode from match_operand. Verify
27001 proper mode in the condition string.
27002 (icacheflush, dcacheflush): Remove modes from match_operands.
27004 * pa.c (emit_move_sequence): Always convert scratch_reg to the
27005 proper mode before using it.
27007 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
27010 * pa.c (store_reg): Do not call add_high_const generator directly.
27011 (load_reg, set_reg_plus_d): Likewise.
27012 * pa.md (add_high_const): No longer a named pattern.
27014 * pa.c (legitimize_address): Consistently use Pmode rather than
27015 SImode. Do not call gen_pic2_highpart directly anymore.
27016 * pa.md (pic2_highpart): No longer a named pattern.
27017 (pic2_lo_sum): Similarly. Reformat to make more readable.
27019 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
27024 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27026 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
27028 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
27030 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
27031 and tag the spill mems.
27032 (hppa_va_start): New.
27033 (hppa_va_arg): New.
27034 * pa.h (EXPAND_BUILTIN_VA_START): New.
27035 (EXPAND_BUILTIN_VA_ARG): New.
27037 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
27039 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
27040 and tag the spill mems.
27041 (mn10300_va_start): New.
27042 (mn10300_va_arg): New.
27043 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
27044 (EXPAND_BUILTIN_VA_ARG): New.
27046 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
27048 * mn10200.c (mn10200_va_arg): New.
27049 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
27051 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
27053 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
27054 rather than play with TREE_INT_CST_LOW.
27056 1999-07-27 Philip Blundell <pb@nexus.co.uk>
27058 * config/arm/telf.h: Include dbxelf.h.
27059 (CPP_PREDEFINES): Only define if not already defined.
27060 (ASM_IDENTIFY_GCC): Likewise.
27061 (SUBTARGET_EXTRA_SECTIONS): Likewise.
27062 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
27063 * config/arm/thumb.h (LINK_SPEC): Only define if not already
27065 (DBX_DEBUGGING_INFO): Don't define.
27066 * config/arm/linux-telf.h: New file.
27067 * config/arm/linux-tgas.h: New file.
27068 * config/arm/t-thumb-linux: New file.
27069 * config/arm/uclinux-elf.h: New file.
27070 * config/arm/uclinux-telf.h: New file.
27071 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
27072 thumb-*-uclinux): New targets.
27073 * configure: Regenerate.
27075 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
27077 * pa.md (post_store, pre_load): New expanders.
27078 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
27079 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
27080 need to directly generate RTL for them.
27081 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
27084 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
27086 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
27087 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
27088 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
27089 (secndary_reload_class): Make TARGET_ELF conditional compile.
27090 (print_operand_address): Similar.
27091 (output_toc): Print all values as hex.
27092 (get_issue_rate): Rearrange and add RS64A and PPC630.
27093 * rs6000.h (processor_type): Add RS64A and PPC630.
27094 (PROCESSOR_POWERPC64): New.
27095 (PROMOTE_MODE): Use word_mode.
27096 (RTX_COSTS): Add RS64A and PPC630.
27097 * rs6000.md (scheduling information): Add lmul and ldiv
27098 representing 64-bit integer multiply and divide. Add rs64a and
27099 PPC630 information.
27100 (ashldi3): Add support for "rldic" instruction.
27101 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
27103 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
27105 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
27106 instead of V8 for sparclite86x in cpu_table.
27108 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27110 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
27111 output_file_directive.
27113 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
27115 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
27116 tree for op1, not the rtl.
27118 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
27120 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
27121 to m88k_va_start, leaving only the register spill.
27122 (m88k_build_va_list): New.
27123 (m88k_va_start): New.
27124 (m88k_va_arg): New.
27125 * m88k.h (BUILD_VA_LIST_TYPE): New.
27126 (EXPAND_BUILTIN_VA_START): New.
27127 (EXPAND_BUILTIN_VA_ARG): New.
27129 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
27131 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
27132 Rename from expand_builtin_saveregs.
27133 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
27135 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
27137 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
27138 for the register spill block.
27139 (i960_build_va_list): New.
27140 (i960_va_start): New.
27141 (i960_va_arg): New.
27142 * i960.h (BUILD_VA_LIST_TYPE): New.
27143 (EXPAND_BUILTIN_VA_START): New.
27144 (EXPAND_BUILTIN_VA_ARG): New.
27145 * i960.md (store_multiple): Use change_address on individul mems.
27147 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
27149 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
27151 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
27152 (expand_builtin_va_end): Evaluate arg for side effects.
27153 * c-common.c (c_common_nodes_and_builtins): Construct a
27154 va_list_arg_type_node to handle array decomposition to pointer.
27156 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
27158 * except.c (st_dynamic_cleanup): Use force_operand on the
27161 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
27163 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
27164 * c4x.c (c4x_va_arg): New.
27166 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
27168 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
27169 has manual_pop set.
27171 1999-07-26 Nathan Sidwell <nathan@acm.org>
27173 * eh-common.h (__eh_matcher): Prototype correctly.
27175 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
27177 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
27178 (TARGET_SINGLE_PIC_BASE): Likewise.
27179 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
27181 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
27182 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
27183 (TARGET_OPTIONS): Add -mpic-register=N.
27184 (OUTPUT_INT_ADDR_CONST): New macro.
27185 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
27186 LEGITIMATE_PIC_OPERAND_P): Likewise.
27187 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
27188 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
27189 output_addr_const directly.
27190 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
27192 (thumb_pic_register, thumb_pic_register_string): Declare.
27194 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
27196 (label_mentioned_p): New function: Imported from arm.c.
27197 (legitimize_pic_address): New function: Imported from arm.c.
27198 (is_pic):New function: Imported from arm.c.
27199 (thumb_finalize_pic):New function: Imported from arm.c.
27200 (add_constant): Cope with PIC constants.
27201 (fixit): Cope with PIC constants.
27202 (output_return): Do not treat the PIC register as live if
27203 TARGET_SINGLE_PIC_BASE is true.
27204 (thumb_function_prologue): Do not treat the PIC register as live if
27205 TARGET_SINGLE_PIC_BASE is true.
27206 (thumb_expand_prologue): Do not treat the PIC register as live if
27207 TARGET_SINGLE_PIC_BASE is true.
27208 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
27209 TARGET_SINGLE_PIC_BASE is true.
27210 (thumb_print_operand): Accept '|'.
27211 (thumb_override_options): Process PIC options.
27213 * config/arm/thumb.md (movsi): Support PIC.
27214 (call_insn): Change "i" constraint to "X".
27215 (call_value_insn): Likewise.
27216 (consttable_4, consttable_8, consttable_end): Set and clear
27217 "making_const_table" as appropriate.
27218 (pic_load_addr, pic_add_dot_plus_four): New insns.
27220 * invoke.texi (Thumb Options): Fix spelling. Document new
27221 options -msingle-pic-base and -mpic-register=.
27223 1999-07-26 Andrew Haley <aph@cygnus.com>
27225 * config/m32r/initfini.c (__init): Use a full word immediate for
27226 __fini: this allows it to be placed in any memory region.
27228 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
27229 -mmodel=medium. This is OK for all memory models.
27231 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
27233 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
27234 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
27236 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
27238 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
27241 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
27243 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
27245 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
27246 (BUILD_VA_LIST_TYPE): New.
27247 (EXPAND_BUILTIN_VA_START): New.
27248 (EXPAND_BUILTIN_VA_ARG): New.
27249 * i860.c (output_delayed_branch): Disable.
27250 (output_delay_insn): Likewise.
27251 (i860_saveregs): New.
27252 (i860_build_va_list): New.
27253 (i860_va_start): New.
27254 (i860_va_arg): New.
27255 * i860.md: Disable all peepholes using output_delayed_branch.
27256 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
27258 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
27260 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
27261 (BUILD_VA_LIST_TYPE): New.
27262 (EXPAND_BUILTIN_VA_START): New.
27263 (EXPAND_BUILTIN_VA_ARG): New.
27264 * clipper.c (clipper_builtin_saveregs): Only dump registers.
27265 Return the address of the save area.
27266 (clipper_build_va_list): New.
27267 (clipper_va_start): New.
27268 (clipper_va_arg): New.
27270 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
27272 * arc.h (EXPAND_BUILTIN_VA_START): New.
27273 (EXPAND_BUILTIN_VA_ARG): New.
27274 * arc.c (arc_setup_incoming_varargs): Set alias set of
27276 (arc_va_start): New.
27279 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
27281 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
27282 (BUILD_VA_LIST_TYPE): New.
27283 (EXPAND_BUILTIN_VA_START): New.
27284 (EXPAND_BUILTIN_VA_ARG): New.
27285 * alpha.c (alpha_builtin_saveregs): Delete.
27286 (alpha_build_va_list): New.
27287 (alpha_va_start): New.
27288 (alpha_va_arg): New.
27290 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
27292 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
27294 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
27295 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
27297 * gcc.texi: More changes related to list conversion.
27298 * invoke.texi: Likewise.
27300 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
27302 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
27303 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
27304 (expand_builtin_next_arg): Accept ARGLIST not EXP.
27305 (stabilize_va_list): New function.
27306 (std_expand_builtin_va_start): New function.
27307 (expand_builtin_va_start): New function.
27308 (get_varargs_alias_set): New function.
27309 (std_expand_builtin_va_arg): New function.
27310 (expand_builtin_va_arg): New function.
27311 (expand_builtin_va_end): New function.
27312 (expand_builtin_va_copy): New function.
27313 (expand_builtin): Call them.
27314 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
27315 __builtin_{varargs_start,stdarg_start,end,copy}.
27316 (build_va_arg): New function.
27317 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
27318 (build_va_arg): Declare.
27319 * c-decl.c (ptr_type_node, va_list_type_node): New.
27320 * c-parse.gperf (__builtin_va_arg): New.
27321 * c-parse.in (VA_ARG): New token.
27322 (unary_expr): Recognize it.
27323 * expr.c (expand_expr): Expand VA_ARG_EXPR.
27324 * expr.h (std_expand_builtin_va_start): Declare.
27325 (std_expand_builtin_va_arg): Declare.
27326 (expand_builtin_va_arg): Declare.
27327 (get_varargs_alias_set): Declare.
27328 * tree.def (VA_ARG_EXPR): New.
27329 * tree.h (BUILT_IN_VARARGS_START): New.
27330 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
27331 (ptr_type_node, va_list_type_node): Declare.
27332 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
27333 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
27334 * m88k.h, m88k.c: Likewise.
27335 * mn10300.h, mn10300.c: Likewise.
27336 * pa.h, pa.c: Likewise.
27337 * rs6000.h, rs6000.c: Likewise.
27338 * sh.h, sh.c: Likewise.
27339 * sparc.h, sparc.c: Likewise.
27341 * emit-rtl.c (operand_subword): Copy alias set.
27342 (change_address): Likewise.
27344 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
27346 * pa.c (compute_frame_size): Scan all the used callee saved registers,
27347 not just the first one.
27349 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
27351 * config/arm/arm.h (TARGET_SWITCHES): Add
27352 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
27353 (TARGET_OPTIONS): Add -mpic-register=.
27354 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
27355 (arm_pic_register_string): Declare.
27356 (NEED_PLT_GOT): Delete, replace with ...
27357 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
27358 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
27359 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
27360 * config/arm/arm.c (arm_override_options): Add new option
27362 (arm_pic_register_string): New variable.
27363 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
27364 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
27365 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
27366 (output_return_instruction): Likewise.
27367 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
27368 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
27369 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
27371 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
27372 mention of -msched-prolog. Document new options -msingle-pic-base
27373 and -mpic-register=.
27375 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
27377 * haifa-sched.c (reemit_notes): Tidy.
27378 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
27381 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
27383 * explow.c (trunc_int_for_mode): New function.
27384 (plus_constant_wide): Use it.
27385 * combine.c (simplify_and_const_int): Likewise.
27386 (merge_outer_ops): Likewise.
27387 (simplify_shift_const): Likewise.
27388 * cse.c (simplify_unary_operation): Likewise.
27389 (simplify_binary_operation): Likewise.
27390 * emit-rtl.c (operand_subword): Likewise.
27391 * rtl.h: Declare it.
27393 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27395 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
27396 (use NUM_REGS instead of NUM_INTS).
27398 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27400 * builtins.c: New file.
27401 * expr.c (saveregs_value, apply_args_value): Delete definition,
27402 moved into builtins.c.
27403 (string_constant): No longer static.
27404 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
27405 apply_args_size, apply_result_size, result_vector,
27406 expand_builtin_apply_args, expand_builtin_apply,
27407 expand_builtin_return): Delete functions, moved into builtins.c.
27408 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
27409 * expr.h (saveregs_value, apply_args_value): Declare variables.
27410 (expand_builtin, string_constant): Declare functions.
27411 * Makefile.in: Update to build builtin.o.
27413 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
27415 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
27416 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
27417 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
27418 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
27420 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
27423 1999-07-21 Michael Meissner <meissner@cygnus.com>
27425 * print-rtl.c (print_rtx): Print the names of the virtual
27428 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
27430 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
27431 introduced in previous delta.
27433 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27435 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
27436 to avoid name clash.
27438 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
27440 * c-lex.c (yylex) : Correct the test for overflow when lexing
27443 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
27445 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
27446 (adjust_priority): Always call ADJUST_PRIORITY.
27447 (schedule_insn): Only put insns into the ready at cost 0.
27448 (schedule_block): Remove redundant initial sort. Give clock_var
27449 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
27451 * tm.texi (MD_SCHED_REORDER): Update docs.
27453 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
27454 * sparc.c (ultra_reorder_called_this_block): Delete.
27455 (ultrasparc_sched_init): Don't set it.
27456 (ultrasparc_sched_reorder): Don't check it.
27458 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
27460 * rs6000.h (struct rs6000_args): Add sysv_gregno.
27461 * rs6000.c (init_cumulative_args): Init sysv_gregno.
27462 (function_arg_boundary): Align DFmode.
27463 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
27464 to get fp reg and stack overflow correct.
27465 (function_arg): Likewise.
27466 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
27467 (setup_incoming_varargs): Restructure for ABI_V4; use
27468 function_arg_advance to skip final named argument.
27469 (expand_builtin_saveregs): Properly unskip the last integer arg
27470 when doing varargs. Adjust overflow location calculation.
27472 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
27473 explicitly unsigned.
27474 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
27475 (__VA_GP_REGSAVE): Similarly.
27476 (__va_longlong_p): Delete.
27477 (__va_arg_type_violation): New declaration.
27478 (va_arg): Restructure. Flag promotion errors. Align double.
27479 TFmode passed by reference.
27481 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
27482 in the HOST_BITS_PER_WIDE_INT > 32 case.
27484 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
27486 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
27488 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
27490 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
27491 * toplev.c (documented_lang_options): Add -fpreprocessed.
27492 * cpplib.h (struct cpp_buffer): Add preprocessed.
27493 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
27494 (cpp_start_read): Don't expand macros or emit an initial #line
27495 directive if -fpreprocessed.
27497 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
27499 * cpplib.h (struct cpp_buffer): Added manual_pop for
27500 better C++ tokenization.
27501 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
27502 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
27503 * c-common.c (cpp_token): Make non-static.
27505 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27507 * c-common.h: New file.
27508 * c-common.c (permanent_obstack): Delete unused declaration.
27509 (c_global_trees): New array.
27510 (c_common_nodes_and_builtins): New function; split off common code
27511 from init_decl_processing in both c-decl.c and cp/decl.c.
27512 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
27513 c_global_trees and accessor macros defined in c-common.h.
27514 Include c-common.h.
27515 * c-decl.c: Delete definitions for tree nodes that were replaced by
27517 (init_decl_processing): Build void_list_node.
27518 Call c_common_nodes_and_builtins; delete code to generate the common
27520 * objc/objc-act.c (build_module_descriptor): Rename variable
27521 void_list_node to avoid clash with c-common.h.
27523 * Makefile.in: Update dependencies.
27524 * objc/Make-lang.in: Likewise.
27526 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
27528 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
27529 (UNIQUE_SECTION_P): Likewise.
27530 (UNIQUE_SECTION): Likewise.
27532 1999-07-19 Linas Vepstas <linas@linas.org>
27534 * config/i370/README: New file.
27535 * config/i370/linux.h: New file.
27536 * config/i370/mvs.h: New file.
27537 * config/i370/oe.h: New file.
27538 * config/i370/t-linux: New file.
27539 * config/i370/t-mvs: New file.
27540 * config/i370/t-oe: New file.
27541 * config/i370/x-oe: New file.
27542 * config/i370/xm-linux.h: New file.
27543 * config/i370/xm-mvs.h: New file.
27544 * config/i370/xm-oe.h: New file.
27546 * i370.c (label_node_t): Add first_ref_page, label_addr,
27547 label_first_ref, label_last_ref members.
27548 (mvs_need_base_reload): Renamed from mvs_label_emitted.
27549 (MAX_MVS_LABEL_SIZE): Define.
27550 (MAX_LONG_LABEL_SIZE): Define.
27551 (alias_node_t, alias_anchor, alias_number): New.
27552 (mvs_function_table): Reorder for EBCDIC.
27553 (ascebc, ebcasc): Unconditionally define.
27554 (i370_branch_dest, i370_branch_length): New functions.
27555 (i370_short_branch, i370_label_scan): New functions.
27556 (mvs_get_label): Renamed from mvs_add_label. Search for
27557 an existing label before creating a new one.
27558 (mvs_add_label): New function.
27559 (mvs_get_label_page): New function.
27560 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
27561 over the entire list.
27562 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
27563 (mvs_check_page) [TARGET_ELF_ABI]: New function.
27564 (mvs_add_alias, mvs_need_alias): New functions.
27565 (mvs_get_alias, mvs_check_alias): New functions.
27566 (handle_pragma): New function.
27567 (mvs_function_check): New function.
27568 (unsigned_jump_follows_p): Search harder.
27569 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
27570 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
27571 * i370.h (TARGET_VERSION): Delete.
27572 (CPP_SPEC, CPP_PREDEFINES): Delete.
27573 (mvs_label_emitted): Delete.
27574 (TARGET_EBCDIC): Delete.
27575 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
27576 (HANDLE_PRAGMA): Define.
27577 (HARD_REGNO_NREGS): Handle complex modes.
27578 (HARD_REGNO_MODE_OK): Likewise.
27579 (CLASS_MAX_NREGS): Likewise.
27580 (RET_REG): Likewise.
27581 (EXTRA_CONSTRAINT): Define.
27582 (RETURN_IN_MEMORY): True for DImode.
27583 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
27584 (FUNCTION_PROFILER): Delete.
27585 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
27586 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
27587 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
27588 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
27589 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
27590 (ASM_FILE_START): Add "RMODE ANY".
27591 (ASM_OUTPUT_EXTERNAL): Check for aliases.
27592 (ASM_GLOBALIZE_LABEL): Likewise.
27593 (ASM_OUTPUT_LABELREF): Likewise.
27594 (ASM_OUTPUT_COMMON): Likewise.
27595 (PRINT_OPERAND): Handle 'K', 'W', default.
27596 (PRINT_OPERAND_ADDRESS): New.
27597 (Lots of defines): Add support for TARGET_ELF_ABI.
27598 * i370.md (attr length): New. Define for all patterns.
27599 (*): Lots of tweeks to assembly output and constraints.
27601 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
27603 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
27604 Disable patterns performing SImode comparisons with SImode values
27605 if TARGET_POWERPC64 and instruction does not sign-extend or does
27606 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
27607 differ for signed quantities.
27608 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
27609 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
27610 (decrement_and_branch_on_count): Add 64-bit variant.
27612 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27614 * final.c (output_asm_insn): When searching for the matching string
27615 for a given dialect, don't run past the end of the list of
27616 alternatives if there are fewer alternatives in the template than
27619 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
27621 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
27622 Removed paragraph about compression of files and size limitation,
27623 duplicated in the FAQ. Use gcc-patches for posting patches.
27624 * gcc.c (main): Updated URL with bug reporting instructions to
27625 gcc.gnu.org. Removed e-mail address.
27626 * system.h (abort): Likewise.
27628 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27630 * Makefile.in (stmp-multilib-sub): Make the files extracted
27631 from $(LIBGCC1) writable.
27633 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
27635 * config/arm/aout.h: Reformat for improved readability.
27637 * config/arm/arm.h: Reformat for improved readability.
27638 Replace uses of fprintf with asm_fprintf where appropriate.
27639 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
27640 function declaration assembler actions.
27641 (NUM_INTS): New macro: Convert from bytes to words.
27642 (NUM_REGS): New macro: Compute number of registers required to
27643 hold a quanitity of tyep MODE.
27644 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
27646 (NUM_ARG_REGS): New macro: The number of argument registers
27648 (ARG_REGISTER): New macro: Compute the register number of the Nth
27650 (LAST_ARG_REGNUM): New macro: The number of the last argument
27652 (SP_REGNUM): New macro: Register number of the stack pointer.
27653 (FP_REGNUM): New macro: Register number of the frame pointer.
27654 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
27655 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
27656 CUMULATIVE_ARGS so that it counts registers not bytes.
27658 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
27660 Replace uses of fprintf with asm_fprintf where appropriate.
27661 (output_ascii_pseudo_op): Replace with version from thumb.c
27663 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
27665 * config/arm/elf.h (CPP_PREDEFINES): Replace with
27666 SUBTARGET_CPP_SPEC.
27667 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
27668 (ASM_FILE_START): Emit ASM_APP_OFF.
27670 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
27672 * pa.c (compute_frame_size): Round frame according to
27673 STACK_BOUNDARY rather than a hardwired value.
27675 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
27677 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
27679 * configure: Rebuilt.
27681 * configure.in (hppa*-*-linux*): New configuration.
27682 * configure: Rebuilt.
27683 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
27684 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
27685 * pa/pa-linux.h: New file.
27686 * pa/t-linux: New file.
27687 * pa/xm-linux.h: New file.
27689 * pa.c (hppa_legitimize_address): Change references from SImode to
27690 either Pmode or word_mode as appropriate.
27691 (emit_move_sequence, store_reg, load_reg): Likewise.
27692 (set_reg_plus_d, hppa_expand_prologue): Likewise.
27693 (output_mul_insn): Likewise.
27694 * pa.h (PROMOTE_MODE): Likewise.
27695 (INITIALZE_TRAMPOLINE): Likewise.
27696 (Pmode): Define to word_mode.
27698 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
27699 value of 4. Allocate 8 bytes for each FP register save.
27700 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
27702 (hppa_expand_prologue): Likewise.
27703 * pa.h (PROMOTE_MODE): Likewise.
27704 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
27705 (FUNCTION_ARG_BOUNDARY): Likewise.
27707 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
27709 * pa.c (out_of_line_prologue_epilogue): Delete.
27710 (override_options): Remove -mspace related code.
27711 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
27712 (compute_frame_size): Only allocate space for register that
27713 actually need to be saved.
27714 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
27715 (TARGET_SWITCHES): Remove -mspace, -mno-space
27716 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
27717 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
27718 * pa/ee.asm, pa/ee_fp.asm: Delete.
27720 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
27722 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
27723 directive in column zero.
27725 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
27727 * m68k.c (output_function_prologue): Fix computation of save mask
27728 when generating PIC code.
27730 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
27732 * tree.c (build_type_attribute_variant): Move current_obstack restore
27733 after build_qualified_type call.
27735 1999-07-15 Mark Mitchell <mark@codesourcery.com>
27737 * configure.in: Use t-iris6, even with GNU LD.
27738 * config/mips/iris6gld.h: Fix typo in linker spec.
27739 * config/mips/t-iris6gld: Remove.
27741 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
27743 * rs6000.md (insv, extzv): Remove SImode dependence in named
27744 patterns. Explicitly generate DImode RTL if PowerPC64 and
27746 (insvdi): Reverse start and size in instruction template.
27748 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
27750 * invoke.texi: Typo fixes.
27752 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
27754 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
27755 handle at this time instead of silently generating incorrect code.
27756 (gen_imagpart): Likewise.
27758 * reload.c (find_reloads): Emit a USE for a pseudo register without
27759 a hard register if we could not create an optional reload for the
27762 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27764 * c-typeck.c (output_init_element, process_init_element):
27765 When advancing constructor_unfilled_fields for a RECORD_TYPE,
27766 check for nameless bit fields.
27768 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
27770 * regclass.c (scan_one_insn): Notice subregs that change the
27771 size of their operand.
27772 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
27774 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
27776 * configure.in (alpha*-*-*): Include alpha/t-ieee.
27777 * configure: Rebuilt.
27778 * alpha/t-ieee: New file.
27780 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
27782 * rs6000.c (find_addr_reg): Do not select r0 as an address
27785 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
27787 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
27789 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
27791 * rs6000.md (movsf): Do not force easy FP constants into memory.
27793 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
27794 immed_double_const to ensure they are properly truncated then
27797 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
27799 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
27800 always unless NO_DEBUG is used. Compile this code
27802 (replace_symbols_in_block): Compile it unconditionally.
27804 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
27806 * configure.in (i?86-*-elf*): New target.
27807 * configure: Rebuilt.
27808 * i386/i386elf.h, i386/t-i386elf: New files.
27810 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
27812 * toplev.c (main): Don't complain about saying -gdwarf.
27813 (rest_of_compilation): Remove redundant code.
27815 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
27817 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
27819 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
27821 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
27822 "Li960R:", to avoid name clash.
27824 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
27826 * loop.c (check_dbra_loop): When reversing a loop, delete all
27827 REG_EQUAL notes referencing the reversed biv except those which are
27828 for a giv based on it.
27830 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
27832 * version.c: Drop "gcc-" prefix from version #.
27834 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
27836 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
27837 the label if we're being verbose.
27839 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
27841 * m68k.c (output_function_prologue): Add pic register to mask
27842 if live and flag_pic.
27843 (output_function_epilogue): Likewise.
27845 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
27847 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
27848 directives in column zero.
27850 * pa/elf.h (ASM_FILE_START): Define.
27851 * pa/som.h (ASM_FILE_START): Include .level directives.
27852 * pa/hpux10.h (ASM_FILE_START): Delete.
27853 * pa/hpux11.h (ASM_FILE_START): Delete.
27855 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
27857 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
27859 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
27860 when reload_out equals reload_in.
27862 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
27864 * invoke.texi (Spec Files): New node: Describe the contents of
27867 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
27869 * invoke.texi (DEC Alpha Options): Put @end table at
27870 beginning of line, to avoid confusing texi2html.
27872 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
27874 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
27875 introduced in previous delta.
27877 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
27879 * reload1.c (gen_reload): When synthesizing a 3 operand add
27880 sequence, improve test for when to reload OP1 into the reload
27881 register instead of OP0.
27883 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
27885 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
27887 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
27889 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
27892 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
27894 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
27895 (va_dcl): Use __builtin_va_alist_t.
27897 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
27899 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
27900 on the permanent_obstack.
27901 * dwarfout.c (output_type): Likewise.
27903 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
27905 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27906 Merged from c-typeck.c and cp/typeck.c.
27907 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27908 Merged into c-common.
27910 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
27912 * c-lex.c (errorcount): Declare it.
27913 (finish_parse): Update errorcount when using CPPLIB.
27915 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
27917 * fixinc/inclhack.def(end_else_label): Double the backslash so
27918 sed gets a chance to see it.
27919 * fixinc/inclhack.sh: regen
27920 * fixinc/fixincl.x: regen
27922 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
27924 Add framework to support armv5 architecture when it becomes
27927 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
27928 (arm_arch5): New variable.
27929 (all_architectures): Add armv5 line.
27930 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
27931 -march=armv5 is specified on the command line.
27932 (arm_arch5): Export this variable.
27933 * invoke.texi: Document new string accepted by -march= switch for
27936 * config/arm/arm.h: Replace use of constant 12 as a register
27937 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27938 * config/arm/arm.c: Replace use of constant 12 as a register
27939 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
27941 * config/arm/elf.h: Tidy up.
27942 * config/arm/coff.h: Tidy up.
27944 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
27946 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
27947 * gcc/config/mips/t-iris6gld: New file.
27948 * gcc/config/mips/iris6gld.h: Likewise.
27950 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
27952 * c-decl.c (widest_integer_literal_type_node,
27953 widest_unsigned_literal_type) : New.
27954 (init_decl_processing): Handle/use the two new types.
27955 * c-common.c (type_for_size,type_for_mode) : Same.
27956 * c-lex.c (yylex) : Same.
27957 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
27959 * c-tree.h (widest_integer_literal_type_node,
27960 widest_unsigned_literal_type) : New.
27962 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
27964 * dwarfout.c (field_byte_offset): Correctly compute the object's
27965 byte offset for the first bit of a field which crosses an alignment
27966 boundary on a !BYTES_BIG_ENDIAN target.
27968 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
27970 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
27973 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
27974 Jeff Law <law@cygnus.com>
27976 * ginclude/varargs.h (va_dcl): Use word_mode for type of
27979 * except.c: Include intl.h.
27980 (expand_eh_return): Set current_function_cannot_inline.
27981 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
27982 * function.h (struct function): Add eh_return_stub_label.
27983 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
27984 * Makefile.in (except.o): Depend on intl.h.
27986 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
27988 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
27989 same as offsettable in cases 1 and 2.
27991 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
27993 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
27994 (extlh, extwh): Likewise.
27996 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
27998 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
28000 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
28002 * configure.in: Add arm-pe and thumb-pe targets.
28003 * configure: Regenerate.
28005 * thumb.c (arm_naked_function_p): New function: Determines if
28006 a function is naked (has no gcc generated prologue/epilogue).
28007 (is_called_in_ARM_mode): Return true if the func has the
28008 interfacearm attribute.
28009 (output_return): Do not generate a return for naked functions.
28010 (thumb_function_prologue): Do not generate a prologue for
28012 (thumb_expand_prologue): Do not generate a prologue for naked
28014 (thumb_expand_epilogue): Do not generate an epilogue for naked
28016 (arm_valid_machine_decl_attribute): New function, copied from
28017 arm.c: Permit naked and interfacearm attributes.
28019 * config/arm/pe.c: New file: Support code for arm-pe target.
28020 * config/arm/pe.h: New file: Header file for arm-pe target.
28021 * config/arm/tpe.h: New file: Header file for thumb-pe target.
28022 * config/arm/t-thumb-pe: New file: Makefile fragment for
28025 1999-07-01 Mark Kettenis <kettenis@gnu.org>
28027 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
28028 -fPIC or -fpic is specified.
28030 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
28032 * expr.c (emit_block_move): Use copy_to_mode_reg for
28033 !TARGET_MEM_FUNCTIONS case too.
28035 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
28037 * configure: Rebuilt.
28038 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
28039 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
28040 definitions made redundant by dbxelf.h inclusion. Delete
28041 lots of definitions related to assembly output that are
28042 specific to the SOM object format.
28043 * pa.c (output_function_prologue): Do not emit the function's
28045 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
28046 * pa-pro.h: Deleted.
28047 * som.h: New file with SOM specific definitions.
28048 * elf.h: New file with ELF specific definitions.
28050 * elfos.h (const_section): Output a tab before assembler directives.
28051 (ctors_section, dtors_section): Likewise.
28052 (ASM_OUTPUT_SECTION_NAME): Likewise.
28054 * pa/pa1.h: Delete unused file.
28056 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
28058 * configure.in (hppa*-hp-hpux11*): New configuration.
28059 * configure: Rebuilt.
28060 * pa/pa-hpux11.h: New file.
28061 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
28064 * mips.md (leasi, leadi): New patterns.
28066 * expr.c (emit_block_move): Properly handle case where one of the
28067 block move arguments has a queued increment or decrement.
28068 (clear_storage): Similarly. Fix formatting goof.
28070 1999-06-28 "David O'Brien" <obrien@NUXI.com>
28072 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
28073 semicolon from the BSD VA_LIST replacement expression.
28075 * fixinc/inclhack.sh: regen
28076 * fixinc/fixincl.x: regen
28078 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
28079 now use the fixincl program.
28081 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
28083 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
28084 case. Also make the PIC register call_used.
28086 * m68k.h (FINALIZE_PIC): Delete.
28087 * m68k.c (finalize_pic): Delete.
28089 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
28091 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
28094 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
28096 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
28098 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
28100 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
28102 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
28104 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
28106 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
28108 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
28110 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
28112 * rs6000.c (output_toc): Always use hex values for floating-point
28113 constants. Store single-precision values in upper-half of TOC
28114 entry in 64-bit mode.
28115 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
28116 to final constraints.
28117 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
28118 (fctiwz): Improve accuracy of RTL for pattern.
28120 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
28122 * expr.c (expand_expr): Allow RTL_EXPR's through the
28123 MAX_INTEGER_COMPUTATION_MODE checks.
28125 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
28127 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
28128 such that MASK_SUPPORT_ARCH is not negative.
28130 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
28132 * loop.c (verify_dominator): Properly handle ADDR_VEC and
28133 ADDR_DIFF_VEC insns that appear inside loops.
28135 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
28136 Jeff Law <law@cygnus.com>
28138 * rs6000.md (movdf_hardfloat32): Revert previous patch.
28139 Handle LO_SUM the same as offsettable in cases 1 and 2.
28140 * rs6000.c (find_addr_reg): Revert previous patch.
28142 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
28144 * system.h (strstr): New external function declaration.
28145 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
28146 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
28147 * config.in, configure: Rebuilt.
28149 1999-06-24 Tom Tromey <tromey@cygnus.com>
28151 * gcc.c (main): Read user-specified specs files after computing
28152 additional startfile_prefixes.
28154 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
28156 Revert these two patches:
28158 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28159 * loop.c (strength_reduce): When doing biv->giv conversion, update
28160 reg note of NEXT->insn.
28162 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28163 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28165 (recombine_givs): Set ix field after sorting.
28167 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28169 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
28170 for the parts of an UNSPEC / UNSPEC_VOLATILE.
28172 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
28174 *fixinc/inclhack.def: Add fix development commentary
28175 (read_ret_type): reactivate and add selection clause
28176 (zzz_*): tweak output file name to match what is used in hackshell.tpl
28177 *fixinc/{fixincl.x|inclhack.sh}: regen
28179 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
28181 * expr.c (expand_expr): STRIP_NOPS before checking against
28182 MAX_INTEGER_COMPUTATION_MODE
28183 (check_max_integer_computation_mode): Likewise.
28185 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
28187 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
28189 1999-06-22 Jim Wilson <wilson@cygnus.com>
28191 * expr.c (store_expr): When target is a promoted subreg, return a
28192 promoted subreg as a result.
28194 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
28196 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
28198 (dwarf2out_define): Mark unused parameters appropriately.
28199 (gen_unspecified_parameters_die): Ditto.
28200 (gen_subprogram_die): Fix signed/unsigned warnings.
28201 (gen_variable_die): Ditto.
28203 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
28205 * fixinc/inclhack.def(end_else_label): combined else_label
28206 and endif_label and fixed the sed expression.
28207 *fixinc/{fixincl.x|inclhack.sh}: regen
28209 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
28211 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
28212 'x' when handling non-offsettable addresses
28214 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
28216 * final.c (shorten_branches): Don't try to split an insn that has
28219 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
28221 * config/mips/mips.c (symbolic_expression_p): New function.
28222 (mips_select_rtx_section): Put symbolic expressions in the
28223 data section, not the read-only data section.
28225 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
28227 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
28229 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
28231 * collect2.c (main): Log frame table count.
28232 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
28233 (scan_prog_file) [COFF]: Handle frame tables.
28235 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
28236 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
28237 * alpha/elf.h: Undef them again.
28238 * alpha/vms.h: Remove their definitions.
28240 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28242 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
28243 remove the clobber of r0 and change the REG_UNUSED note to
28246 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
28248 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
28249 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
28250 fits in HOST_WIDE_INT and one uses union to access a long constant
28253 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
28255 * sparc.c (sparc_override_options): Don't allow profiling for
28256 code models other than medlow.
28257 (sparc_function_profiler): New function from old FUNCTION_PROFILER
28258 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
28259 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
28260 (sparc_block_profiler): Likewise.
28261 (sparc_function_block_profiler_exit): Likewise.
28262 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
28263 (FUNCTION_BLOCK_PROFILER): Likewise.
28264 (BLOCK_PROFILER): Likewise.
28265 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
28266 (MCOUNT_FUNCTION): New.
28267 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
28268 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
28269 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
28270 (MCOUNT_FUNCTION): New.
28271 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
28272 (BLOCK_PROFILER): Delete.
28273 (MCOUNT_FUNCTION): New.
28275 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
28277 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
28279 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
28281 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28284 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28287 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28290 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
28293 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
28295 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
28298 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
28300 * i386/djgpp.h (LIB_SPEC): New.
28301 (STARTFILE_SPEC): New.
28303 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
28305 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
28307 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
28310 * system.h (WSTOPSIG): New macro.
28312 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
28314 * c-pragma.c (push_alignment): Don't ignore alignments greater than
28316 (insert_pack_attributes): Take into account member natural
28319 * i386/winnt.c (exports_head): New static variable.
28320 (i386_pe_record_exported_symbol): New function.
28321 (i386_pe_asm_file_end): Use.
28322 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
28323 symbols to be emitted at end of assembly.
28324 (ASM_DECLARE_OBJECT_NAME): Likewise.
28325 (ASM_DECLARE_FUNCTION_NAME): Likewise.
28327 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
28330 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
28332 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
28335 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
28337 * haifa-sched.c (sched_analyze_1): Use free_list instead of
28338 zapping reg_last_uses directly.
28339 (sched_analyze_2, sched_analyze_insn): Likewise.
28340 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
28342 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
28344 * rs6000.md (movdf_hardfloat32): Use worst case insn length
28345 attributes for cases 1 and 2.
28347 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
28349 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
28352 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
28354 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
28356 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
28358 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
28359 PIC_OFFSET_TABLE_REGNUM for general alloaction.
28360 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
28361 must be stacked if it is used for PIC accesses.
28362 * arm.c (use_return_insn): Handle PIC register specially.
28363 (output_return_instruction): Likewise.
28364 (output_func_{prologue,epilogue}): Likewise.
28365 (output_expand_prologue): Likewise.
28367 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
28368 (*strsi_predec): Renamed from *strqi_predec.
28369 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
28370 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
28372 * arm.c (arm_override_options): Remove warning about PIC code
28373 not being supported.
28375 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
28377 * rs6000.c (find_addr_reg): New function.
28378 * rs6000.h (find_addr_reg): Declare.
28379 (offsettable_addr_operand): Delete.
28380 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
28381 from and stores to GPRs.
28383 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
28385 * alpha.c (alpha_expand_block_move): Use get_insns rather than
28386 gen_sequence as argument to emit_no_conflict_block.
28388 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28390 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
28391 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
28392 *fixinc/fixincl.x: regen
28393 *fixinc/inclhack.sh: regen
28395 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
28397 * added support for -mpcrel (PC relative addressing for m68k)
28398 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
28399 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
28400 * m68k.c (print_operand_address): Handle 32-bit PIC case.
28401 (comments for general_src_operand): Add some explanation
28402 about EXTRA_CONSTRAINTS.
28403 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
28404 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
28405 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
28406 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
28407 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
28408 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
28409 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
28410 if not already set.
28411 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
28412 * m68k.h (TARGET_PCREL): New target flag.
28413 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
28414 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
28415 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
28416 contains a SYMBOL_REF. Relax this constraint during reload, since
28417 we want to use the predicates, not reload's built-in concept of a
28418 valid memory address, to control what insns need reloading.
28419 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
28420 operands (essentially 'g', 'm', and 's' under normal circumstances).
28421 * m68k.c (print_operand): Cause printing of pc-relative addresses
28422 to include pc register.
28423 (print_operand_address): Ditto.
28424 (general_src_operand): Accept operands that are not only
28425 general_operands, but are also valid when used as a pc-relative
28427 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
28428 (memory_src_operand): Similar, for memory_operands.
28429 (pcrel_address): New predicate to accept the special case of a
28430 pc-relative address.
28431 * m68k.md (many patterns): Rewrite common SImode, HImode, and
28432 QImode insns to accept *_src_operand instead of *_operand where
28433 pc-relative operands can fit. For example, a pc-relative operand
28434 can be used as a memory source operand for addsi3, but not as a
28435 memory destination.
28436 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
28438 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
28440 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
28441 .thumb_set pseudo op to mark aliases of thumb functions.
28443 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
28445 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
28446 preference to ASM_OUTPUT_DEF, if it is defined.
28448 * tm.texi: Document new, optional target macro
28449 ASM_OUTPUT_DEF_FROM_DECLS.
28451 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28453 * fixincludes: ISCNTL patch
28454 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
28455 (dgux_int_varargs): new for DG/UX
28456 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
28458 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
28460 * invoke.texi (ia32 options): Fix typo.
28462 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28464 * loop.c (strength_reduce): When doing biv->giv conversion, update
28465 reg note of NEXT->insn.
28467 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
28469 * loop.c (move_movables): Note issues with replacing REGs with
28471 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
28473 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
28475 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
28477 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
28478 the reference to `mcount' was not correct for the ELF on FreeBSD.
28480 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28482 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
28485 (recombine_givs): Set ix field after sorting.
28487 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
28489 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
28490 to safe to extract a subword out of a REG.
28492 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28494 * sh.md (mulsi3): Don't add a no-op move at the end.
28496 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28498 * cse.c (cse_insn): Don't put hard register source into tables for
28499 the last insn of a libcall.
28501 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28503 * loop.c (strength_reduce): Insert sets of derived givs at every
28504 biv increment, even if it's the only one.
28506 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
28508 * dwarfout.c (add_incomplete_type): New fn.
28509 (output_type): Call it.
28510 (retry_incomplete_types): New fn.
28511 (dwarfout_finish): Call it.
28513 From Eric Raskin <ehr@listworks.com>:
28514 (output_type): Output types for bases.
28516 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
28518 * mips.c (mips_output_conditional_branch): Add `break'
28519 between `default' label and `close braces'.
28521 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
28523 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
28524 specifications and make it realistic.
28525 (LIB_SPEC): Likewise.
28527 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
28529 * config/mips/mips.c (mips_secondary_reload_class): Check for
28530 (PLUS (SP) (REG)) and return appropriate register class.
28531 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
28532 Handle (PLUS (SP) (REG)).
28533 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
28534 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
28535 of emit_insn for tablejump.
28537 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
28539 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
28540 asm_fprintf format string by itself.
28541 (output_function_profiler): Likewise.
28543 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
28545 * combine.c (simplify_logical, case AND): Only call
28546 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
28547 or the constant is positive.
28549 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
28551 * configure.in: Fix typo in rs6000-ibm-aix4 case.
28552 * configure: Regenerate.
28554 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
28556 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
28557 require a sub-version #.
28558 * configure: Rebuilt.
28560 1999-06-14 Robert Lipe (robertlipe@usa.net)
28562 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
28564 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
28566 * c-typeck.c (process_init_element): Detect excess elements in
28567 char array initializer.
28569 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
28571 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
28573 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28575 * invoke.texi (Option Summary): Add -fpermissive flag.
28577 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
28579 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
28580 that require PIC code sequences.
28582 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
28584 * configure.in: Add new target: thumb-elf.
28585 * configure: Regenerate.
28586 * config/arm/t-thumb-elf: New file: Makefile fragment for
28588 * config/arm/telf.h: New file: Header file for thumb-elf
28591 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
28593 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
28594 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
28595 initializers is some circumstances.
28597 * fixinc/inclhack.def (endif_label): Add additional selector for
28598 more bogus stuff after #endif statements.
28599 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
28601 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
28603 * i386/cygwin.h (SET_ASM_OP): Define.
28605 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
28607 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
28609 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28611 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
28614 * sh.md (ic_invalidate_line_i): Remove second alternative.
28616 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28618 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
28619 test for the presence of valid prototypes. Delete bypass expr.
28620 (ioctl_fix_ctrl): Correct the selection expression.
28621 (no_double_slash): Correct quoting rules
28622 *fixinc/fixincl.x: regen
28623 *fixinc/inclhack.sh: regen
28625 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
28627 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
28629 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
28631 * rs6000.md (movsi_got_internal_mem): Delete.
28632 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
28633 (GOT_TOC_REGNUM): Delete.
28634 (PIC_OFFSET_TABLE_REGNUM): Define.
28635 (FINALIZE_PIC): Disable.
28636 * rs6000.c (rs6000_got_register): New code for fixed pic register.
28637 (rs6000_replace_regno): Delete.
28638 (rs6000_finalize_pic): Likewise.
28639 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
28641 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28643 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
28644 is a note; use <= for the compare; advance P while it is
28647 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
28649 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
28650 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
28652 * varasm.c (remove_from_pending_weak_list): Verify t->name
28653 is non-NULL before passing it to strcmp.
28655 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28657 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
28658 the typed arguments are not part of a comment
28659 (ioctl_fix_ctrl): Added a purpose comment
28660 *fixinc/fixincl.x: regenerate
28661 *fixinc/inclhack.sh: regenerate
28663 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28665 * invoke.texi: Add C4x invocation docs.
28667 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
28669 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
28671 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
28673 (c4x_legitimize_reload_address): New function.
28674 * config/c4x/c4x.md: Update docs.
28676 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
28678 * fixincludes: Avoid removing '.'.
28679 * fixinc/fixinc.svr4: Likewise.
28680 * fixinc/fixinc.winnt: Likewise.
28681 * fixinc/inclhack.tpl: Likewise.
28682 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
28684 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28686 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
28688 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
28690 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
28692 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
28695 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
28697 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
28698 * configure: Regenerate.
28700 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
28702 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
28705 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
28707 * fixinc/inclhack.def (avoid_bool): Also catch
28708 "typedef [unsigned] int bool".
28709 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28711 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
28712 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
28713 * configure: Rebuilt.
28715 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
28717 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
28718 such that we can override its definitions if necessary.
28719 (CPP_SPEC): New define. Support processor specific predefines via
28721 (CC1_SPEC): New define. Support processor specific compiler
28722 options via %(cc1_cpu).
28723 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
28726 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28728 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
28729 between sed's -e flag, and the open-quote following it.
28730 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
28732 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
28733 Jeffrey A Law (law@cygnus.com)
28735 * varasm.c (assemble_start_function): Remove the function
28736 from the pending weak decls list when we define a function.
28737 (assemble_variable): Similarly for variables.
28738 (weak_finish): Ignore items on the list with a NULL name.
28739 (remove_from_ending_weak_list); New function to "remove" an item
28740 from the pending weak declarations list.
28742 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
28744 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
28746 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
28748 * c-lex.c (GETC): Redefine to call getch.
28749 (UNGETC): Redefine to call put_back.
28750 (putback_buffer): New structure type.
28751 (putback): New static structure.
28752 (getch): New function.
28753 (put_back): New function.
28754 (yylex): Replace unused bytes from bad multibyte character.
28756 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
28758 * cpplib.c (do_define): Cast `alloca' return value.
28759 (do_include, do_undef, do_pragma): Likewise.
28760 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
28762 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
28763 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
28765 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
28767 * sparc.md (abstf2): This should be an expand.
28768 (split after abstf2_notv9): Fix mode.
28769 (abstf2_hq_v9): New pattern.
28770 (abstf2_v9): Only use when no hard quad.
28771 (absdf2_v9): Fix if target is not the same as source.
28772 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
28773 Add correct output constraints.
28775 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
28777 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
28778 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
28780 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
28782 * mips.h (mips_output_conditional_branch): New function.
28783 (mips_adjust_insn_length): Likewise.
28784 (ASSEMBLER_SCRATCH_REGNUM): New macro.
28785 (ADJUST_INSN_LENGTH): Likewise.
28786 * mips.c (print_operand): Add `F' and `W' for floating-point
28787 comparison opcodes.
28788 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
28790 (mips_adjust_insn_length): New function.
28791 (mips_output_conditional_branch): New function.
28792 * mips.md (length): Adjust attribute definition to handle
28793 conditional branches. Change lengths to bytes, rather than
28794 instructions throughout. Remove length attribute from
28795 instructions whose length is four bytes, and rely on the default
28797 (dslot): Fix typo in comment.
28798 Reword conditional branch patterns to use
28799 mips_output_conditional_branch.
28801 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28803 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
28804 (LIB_SPEC): Likewise.
28805 Link with -lprof1_r for -g/-pg.
28807 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
28809 * loop.c (check_dbra_loop): Fix change of Jan 19.
28811 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
28813 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
28814 (STARTFILE_SPEC): Define, override the svr4.h version.
28815 (ENDFILE_SPEC): Likewise.
28817 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
28819 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
28820 * fixinc/fixincl.x: Regenerated.
28821 * fixinc/inclhack.sh: Regenerated.
28823 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28825 * sh.c (barrier_align): Don't return early for normal branch/barrier
28826 when optimizing for SH2.
28828 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
28830 * i386/udk.h (LINK_SPEC): Correct linker search path for
28833 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28835 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
28836 (braf_label_ref_operand): Delete.
28837 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
28838 * sh.md (casesi_jump_2): Operand1 is now the inside of a
28839 label_ref, and has no predicate.
28840 The patten has a predicate to guard against invalid substitutions.
28841 (dummy_jump): Delete.
28842 (casesi): Update use of casesi_jump_2.
28844 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28846 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
28847 *fixinc/fixincl.x: regenerate
28848 *fixinc/inclhack.sh: regenerate
28850 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
28852 * dwarf2out.c (add_incomplete_type): New fn.
28853 (gen_struct_or_union_type_die): Call it.
28854 (retry_incomplete_types): New fn.
28855 (dwarf2out_finish): Call it.
28857 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
28859 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
28860 current block starts with a CODE_LABEL and ends with a CALL and
28861 we can not find all the argument setup instructions for the CALL.
28863 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
28865 Revert this change:
28866 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
28867 something is a candidate for optimize_bit_field_compare.
28869 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
28871 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
28873 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
28875 * alpha.c (override_options): Thinko in last patch.
28877 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
28878 (LIB_SPEC): Recognize -pthread.
28880 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
28882 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
28883 definition in config/arm/coff.h
28884 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
28886 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
28888 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
28889 fixes that need "file=xxx\n" prepended before invocation
28890 (start_fixer - new): starting the fixer process is complex enough
28891 to warrent its own routine. It prepends the "file=xxx\n" stuff.
28892 (process): uses the new routine; omit usage of putenv()
28893 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
28894 * fixinc/fixincl.x: regenerate
28896 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
28898 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
28899 and version #s (1.1 -> 2.96) as needed.
28900 * README.g77: Kill way out of date file in the toplevel directory.
28902 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
28904 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
28905 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
28906 * configure: Rebuilt.
28907 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
28908 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
28909 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
28910 (SWITCH_TAKES_ARG): Likewise.
28911 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
28912 * config/t-freebsd: Moved from config/i386/ so it can used for all
28915 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
28917 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
28919 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
28921 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
28922 * configure: Rebuilt.
28924 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
28926 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
28927 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
28928 * rs6000/rs6000.c (rs6000_file_start): Use putc.
28929 (rs6000_output_load_toc_table): Same.
28930 (output_prolog, output_mi_thunk): Same.
28931 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
28932 (ASM_GLOBALIZE_LABEL): Use putc.
28934 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
28936 * alpha.md (reload_*_help): New patterns and splitters.
28937 (reload_*): Use them.
28938 (mov[qh]i): Likewise.
28940 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
28942 * cccp.c (handle_directive): Handle backslash-newlines in quoted
28945 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
28947 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
28949 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
28951 * flow.c (mark_regs_live_at_end, insn_dead_p,
28952 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
28953 and HARD_FRAME_POINTER_REGNUM special treatment if reload
28954 hasn't run or the frame pointer is needed.
28955 * haifa-sched.c (attach_deaths): Likewise.
28956 * sched.c (attach_deaths): Likewise.
28958 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
28960 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
28961 calculate_can_reach_end returns nonzero.
28963 * configure.in (native gas tests): Search for an assembler in the
28964 same manner that the installed compiler will.
28965 * configure: Rebuilt.
28966 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
28968 * alias.c (find_base_term): Improve handling of addresses
28969 constructed from binary operations.
28971 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
28973 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
28975 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
28977 * function.h (cleanup_label, frame_offset): Declare.
28978 (tail_recursion_label, tail_recursion_reentry): Likewise.
28979 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28980 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
28981 (tail_recursion_label, tail_recursion_reentry): Likewise.
28982 (arg_pointer_save_area, rtl_expr_chain): Likewise.
28984 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
28986 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
28988 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
28989 (MAX_OFILE_ALIGNMENT): Define.
28991 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
28993 * fixincl.c: Replace local include scheme with #includes of
28994 gansidecl.h and system.h.
28995 * procopen.c: Likewise.
28996 * server.c: Likewise.
28998 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
29000 * i386/t-dgux (EXTRA_PARTS): Add crti.o
29001 (crti.o): Add build rule and dependencies.
29002 * fixinc/fixinc.dgux: Use modified _int_varargs.h
29004 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
29006 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
29007 (LIB_LINUX_SPEC): Likewise.
29008 (LIB_LINUX_SPEC): Add support for -pthread
29009 (CPP_OS_LINUX_SPEC): Likewise.
29010 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
29013 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
29015 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
29017 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
29018 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
29019 for IEEE math and CC_FCOMI.
29020 (put_jump_code): No IEEE if CC_FCOMI is set.
29022 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
29024 * fold-const.c (fold_truthop): Make the field reference unsigned
29025 when converting a single bit compare.
29027 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29029 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
29031 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
29033 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
29034 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
29037 * reload.c (push_reload): Do not call remove_address_replacements
29038 when presented with identical optional reloads.
29040 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
29042 * alpha.h (MASK_FIX, TARGET_FIX): New.
29043 (MASK_*): Reorganize constants.
29044 (CPP_AM_FIX_SPEC): New.
29045 (TARGET_SWITCHES): Add FIX.
29046 (EXTRA_SPECS): Likewise.
29047 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
29048 (SECONDARY_MEMORY_NEEDED): Likewise.
29049 (REGISTER_MOVE_COST): Likewise.
29050 * alpha.c (override_options): Add FIX support. Always use
29051 ALPHA_TP_PROG for ev6.
29052 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
29053 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
29054 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
29056 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
29058 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
29059 something is a candidate for optimize_bit_field_compare.
29061 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
29063 * gcc.texi (Passes): Document branch-shortening.
29064 * invoke.texi (Debugging Options): Document the fact that `-dp'
29065 outputs length information for instructions.
29067 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
29069 * flow.c: Revert previous delta.
29071 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
29073 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
29074 FRAME_POINTER_REGNUM.
29075 (mark_set_1): Ditto.
29076 (mark_used_regs): Ditto.
29078 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
29080 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
29081 (GOT_PCREL): New macro. Define to 1 if not already defined.
29082 * arm/elf.h (GOT_PCREL): Define to 0.
29083 * arm.c (arm_finalize_pic): Take into account the setting of
29086 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
29088 * output.h (STRIP_NAME_ENCODING): Provide default definition.
29089 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
29091 * flow.c (mark_set_1): Do not record BLKmode stores as dead
29092 store elimination candidates.
29094 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
29096 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
29099 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
29101 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
29102 Add use of x-aix41-gld.
29104 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
29106 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
29107 (ASM_OUTPUT_DESTRUCTOR): Define.
29109 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
29111 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
29112 last CODE_LABEL in a loop if we have previously passed a jump
29113 to the top of the loop.
29115 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
29117 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
29118 applying Philip's patch.
29120 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
29122 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
29125 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
29127 * loop.c (strength_reduce): Grow reg_single_usage as needed.
29129 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
29131 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
29132 Also remove a useless comment.
29134 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
29136 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
29138 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
29140 * collect2.c (main): Only generate import or export file and add
29141 to link arguments if non-empty. Use xmalloc not alloca.
29142 (write_{export,import}_file): Delete.
29143 (write_aix_file): New function.
29144 (locatelib): Use xmalloc not malloc.
29145 (GCC_OK_SYMBOL): Do not check type if aix64.
29147 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
29149 Based on patch by Scott Bambrough and Pat Beirne:
29150 * config/arm/arm.c (making_const_table): New variable.
29151 * config/arm/arm.h (making_const_table): Declare.
29152 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
29154 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
29155 Keep track of when we are building the constant table.
29157 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
29159 * config/arm/arm.c (arm_override_options): Fix erroneous warning
29162 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
29164 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
29167 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
29169 * tm.texi (FUNCTION_ARG): Correct description of a stack element
29172 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
29174 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
29176 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
29178 * rs6000.c (output_mi_thunk): Enable full support again.
29180 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
29182 * sh.h (BRANCH_COST): Define.
29184 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
29186 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
29188 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
29190 * function.c (assign_stack_local): Align stack slot propertly.
29191 (assign_outer_stack_local): Likewise.
29193 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
29195 * expr.h (lang_expand_constant): Declare.
29196 * toplev.c (lang_expand_constant): Define it.
29197 * varasm.c (output_constant): Use it.
29199 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
29201 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
29202 Change function definitions to K&R style.
29204 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29206 * fixinc/fixincl.c: We must not ignore SIGCLD now.
29208 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
29210 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
29211 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
29212 (several places): omit static initialization
29213 (process): use single fd, since only the read fd is used
29214 * fixinc/gnu-regex.c: define 'const' away, if not supported
29215 * fixinc/procopen.c(several places): omit static initialization
29216 * fixinc/server.c: define 'volitile' away, if not supported
29218 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
29220 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
29221 asm_fprintf and %L to generate the label name.
29222 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
29223 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
29225 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
29227 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
29228 insn for a conditional jump can not be found.
29230 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
29232 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
29233 on variables in specific sections other than .sbss and .sdata.
29235 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
29237 * stmt.c (expand_return): Call start_cleanup_deferral and
29238 end_cleanup_deferral around conditional code.
29240 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
29242 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
29243 filename lists. Utilizes new "krstr" AutoGen function.
29244 * fixinc/fixincl.x: Rebuilt.
29246 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
29248 * i386.c (output_float_compare): Avoid GNU-C extensions.
29250 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
29252 * version.c: Bump to distinguish mainline tree from the
29255 See ChangeLog.1 for earlier changes.